Maximizing Productivity, Physical & Mental Health with Daily Tools

Introduction

In this section, Andrew Huberman introduces the podcast and explains that he will be discussing science-based protocols for various aspects of life.

Science-Based Protocols for Life

• Andrew Huberman is a professor of neurobiology and ophthalmology at Stanford School of Medicine.

• The podcast covers science-based protocols for sleep, mood, learning, nutrition, exercise, strength and endurance, hypertrophy, creativity.

• The protocols are backed by quality peer-reviewed literature.

Purpose of the Episode

In this section, Andrew Huberman explains why he decided to hold office hours and answer questions from previous episodes.

Office Hours

• Office hours in the university setting are when students come to the professor's office or meet outdoors on campus or in the classroom to review material and ask questions from lecture in more detail.

• Given that they have covered intense topics in previous episodes such as vision and hearing/balance/chemical sensing/new technologies in neuroscience as well as mental health with Dr. Karl Deisseroth.

• Andrew decided to hold office hours to answer frequently asked questions about these topics.

Questions & Answers

In this section, Andrew answers frequently asked questions related to various aspects of life such as mood, exercise, sleep etc. He arranges them into a daily 24-hour rhythm context.

Daily Rhythm Context

• Every cell in our body changes across 24 hours a day in a regular and predictable rhythm.

• Selecting the unit of a day is not just practical but also related to our deeper biology.

• Dr. Karl Deisseroth breaks up his life into units of days to juggle his workload effectively.

Science-Based Protocols

• The episode focuses on how to leverage science-based protocols backed by quality peer-reviewed literature.

• Andrew will couch this in the context of what he does across a daily 24-hour rhythm.

• The protocols can be applied to any number of different schedules or frameworks.

Disclaimer

• The podcast is separate from Andrew's teaching and research roles at Stanford.

• It is part of his effort to bring zero cost to consumer information about science and science-related tools to the general public.

Sponsorship

In this section, Andrew thanks the sponsors of today's podcast.

ROKA

• ROKA makes eyeglasses and sunglasses that are believed to be of very high quality.

• Developed by two All-American swimmers from Stanford.

ROKA Glasses and InsideTracker

In this section, the speaker talks about ROKA glasses and InsideTracker.

ROKA Glasses

• The speaker talks about how he can move in and out of shadows or the cloud cover can change while wearing ROKA glasses.

• The aesthetic of ROKA eyeglasses and sunglasses is really terrific. They look very natural.

• There are a huge number of different styles to select from.

• If you'd like to try ROKA glasses, you can go to ROKA.com and enter the code huberman to save 20% off your first order.

InsideTracker

• The speaker talks about how getting regular blood work done is important for understanding one's body.

• With InsideTracker, they have a dashboard that allows you to both see your levels of hormones, metabolic factors, etc., but also suggests specific things that you can do with your nutrition, exercise, and lifestyle in order to bring those levels into the ranges that are best for your immediate and long-term health.

• They make the whole process of getting your blood and DNA taken very easy. They'll even come to your home to take the sample.

• If you'd like to try InsideTracker, you can go to insidetracker.com/huberman. And if you do that, you'll get 25% off any of InsideTracker's plans. Just use the code HUBERMAN at checkout.

Helix Sleep

In this section, the speaker talks about Helix Sleep mattresses.

Helix Sleep

• The speaker talks about how Helix Sleep makes mattresses and pillows that are ideally matched to your sleep needs.

• After taking a brief quiz, they will match you to a specific mattress that's ideal for your sleep needs.

• If you're interested in upgrading your mattress, you can go to helixsleep.com/huberman, take their two-minute sleep quiz, and they'll match you to a customized mattress and you'll get up to $200 off your mattress order and two free pillows. They also make these terrific pillows.

Optimizing Sleep

In this section, the speaker talks about his daily routine and how he optimizes his sleep.

Morning Routine

• The speaker wakes up between 6:00 AM to 7:00 AM and writes down the time he woke up.

• He puts his phone on airplane mode an hour before sleeping and sets an alarm for 6:30 AM.

• The speaker takes note of his average wake-up time to determine his "temperature minimum," which is the lowest temperature that his body will be at across the 24-hour cycle.

• He recommends tracking your wake-up time to determine your temperature minimum, which can be used for shifting your circadian sleep schedule, eating schedule, etc.

Benefits of Forward Ambulation

• The speaker recommends getting into forward ambulation (taking a walk), as it has a powerful effect on the nervous system by reducing neural activity in the amygdala.

• Experiencing visual flow during forward ambulation has a particularly strong effect on reducing neural activity in the amygdala.

• The amygdala is part of the network in the brain that generates feelings of fear and threat detection.

Importance of Temperature Minimum

• Knowing your temperature minimum is valuable information even if you don't travel or have trouble sleeping.

• The amygdala plays a role in anxiety and fear detection, making it important to reduce neural activity in this brain structure.

Whole-Brain Functional Ultrasound Imaging

In this section, the speaker discusses a study published in the journal Neuron that uses whole-brain functional ultrasound imaging to evaluate brain activity in mice. The study reveals brain modules for visual motor integration.

Brain Activity and Optic Flow

• When mice walk forward and their eyes move from side to side, optic flow is generated, which causes many brain areas to activate.

• However, the amygdala reduces its levels of firing during this process.

• Eye movements reduce activity levels in the amygdala, as shown by another paper published in The Journal of Neuroscience.

• Forward ambulation generates similar eye movements that cause optic flow and reductions in amygdala activation.

Benefits of Walking Outdoors

• Walking outdoors generates more optic flow than walking indoors.

• Getting sunlight in your eyes first thing in the morning is vital for mental and physical health. It promotes metabolic well-being and positive functioning of your hormone system.

Importance of Morning Sunlight

In this section, the speaker emphasizes the importance of getting sunlight in the morning and how it affects our body.

Benefits of Morning Sunlight

• Getting outside for a 10-15 minute walk ensures adequate stimulation of neurons in the eye called "melanopsin" intrinsically photosensitive ganglion cells.

• These neurons convey to the brain that it's daytime and time to be alert, setting in motion a huge number of biological cascades within every cell and organ of your body.

• Early in the day, we experience a natural and healthy bump in cortisol hormone which promotes wakefulness and a healthy immune system.

• It's important that this pulse of cortisol arrives early in the day by viewing bright sunlight or light of another kind. If you wake up before sunrise, turn on artificial lights but then get outside as soon as possible to get natural light stimulation.

How to Get Morning Sunlight

• Don't stare directly at the sun or any light that feels painful as it can damage your retinas. The point is to get sunlight indirectly which is scattered everywhere through cloud cover.

• Time outside varies depending on your particular environment but try to do this every day for at least 10 minutes. Missing more than one day can affect mental and physical health negatively.

• Combining morning sunlight with forward ambulation with a walk generates a sense of alertness in our body and brain while also generating calmness.

Animals Need Sunlight Too

In this section, the speaker talks about how animals need sunlight and how it affects their health.

Importance of Sunlight for Animals

• Many mechanisms that apply to humans also apply to animals.

• Nocturnal animals like hamsters or fish need circadian rhythms, these 24-hour rhythms.

• Morning sunlight is important for pets too.

Morning Light and Blue Blockers

In this section, the speaker discusses the use of dawn alarm lights and blue blockers. He explains that bright light exposure is important for alertness during the day, while limiting overall light exposure at night is important for sleep. The speaker also addresses concerns about blue light and blue blockers.

Dawn Alarm Lights

• Dawn alarm lights are overpriced relative to what they are.

• A 930-lux LightPad designed for drawing can be used instead at a fraction of the cost.

• Bright lights should be viewed from above or in front of you to promote alertness.

Blue Light and Blue Blockers

• Exposure to blue light is important for setting circadian rhythms properly.

• Eliminating specific wavelengths of light, such as with blue blockers, is not natural for the visual system and brain to experience.

• Headaches from viewing screens can be remedied by stepping away from the computer and looking into the distance.

• Blue blockers should only be worn in late evening or at night when headed towards sleep.

• Dimming lights sets up the brain and body for sleep better than wearing blue blockers alone.

Conclusion

In this section, the speaker concludes his discussion on morning routines with his dog Costello.

• The speaker takes walks with his bulldog Costello each morning, ranging from 10 to 60 minutes depending on how slowly Costello is walking that day.

• Neighbors have stopped asking if Costello is okay but sometimes ask if he (the speaker) is okay.

Hydration and Caffeine Intake

In this section, the speaker discusses the importance of hydration for mental performance and shares his personal routine for staying hydrated. He also explains why he delays caffeine intake in the morning.

Importance of Hydration

• The speaker believes that hydration is essential for mental performance based on quality, peer-reviewed data.

• Neurons require sodium, magnesium, and potassium to function properly, which can be obtained through proper hydration.

• The speaker drinks at least 16 ounces of water with a little bit of sea salt early in the day to ensure he is hydrated before beginning work.

Delaying Caffeine Intake

• The speaker purposely delays his caffeine intake to 90 minutes to 120 minutes after waking up.

• Adenosine levels are low in the morning, but caffeine blocks adenosine receptors and prevents it from acting on them.

• Drinking too much caffeine can lead to an afternoon crash when adenosine levels increase as the caffeine wears off.

• Delaying caffeine intake optimizes the relationship between adenosine and wakefulness throughout the day.

Personal Routine

• The speaker's primary objective early in the day is to get into a mode of being focused yet alert so that he can get work done.

• Fasting until about 11:00 AM or 12:00 noon helps him achieve this state.

• Yerba mate and guayusa tea are his preferred sources of caffeine, while water and Athletic Greens provide additional hydration.

Why Fasting Works to Create a Heightened State of Alertness

In this section, the speaker explains why fasting works to create a heightened state of alertness.

Fasting Increases Adrenaline Levels

• Fasting increases levels of adrenaline in the brain and body.

• Optimal levels of adrenaline provide a heightened sense of focus and the ability to encode information.

• The speaker fasts in the early part of the day since his job is mainly cerebral work.

What Breaks a Fast?

• What breaks a fast depends on how sensitive your blood sugar is and your insulin sensitivity.

• Recent eating history, blood sugar history, glycogen stores, etc. also play a role.

• It's highly individualized; there's no one-size-fits-all answer.

The Speaker's Fasting Routine

• The speaker ingests water, caffeine from yerba mate and guayusa, and athletic greens with lemon juice during his fasting period.

• Yerba mate and guayusa teas increase release of GLP-1 which has positive properties such as increasing lipolysis and mobilization of body fat stores.

• Increasing GLP-1 while fasted helps burn body fat while working.

Yerba Mate and Optimizing Workspace

In this section, the speaker talks about yerba mate and how it can be used to stimulate GLP-1. The speaker also discusses how to optimize workspace by leveraging the visual system.

Yerba Mate

• Yerba mate is a tea that stimulates GLP-1.

• Anna Park is a brand of yerba mate that the speaker recommends.

• Yerba mate leaves can be reused multiple times, which enhances its GLP-1 stimulating aspects.

Optimizing Workspace

• Looking upward creates a state of heightened alertness.

• Positioning your screen or tablet at eye level or slightly higher can optimize your workstation in a physical way that leverages this aspect of the visual system and your level of alertness.

• Most people are not positioning their screens at eye level or higher, which decreases levels of alertness and increases sleepiness.

• Depending on how reclined you are or upright you are, you will decrease with reclining and increase with sitting forward your levels of alertness.

Tips for Working with Heightened Alertness

In this section, the speaker provides tips on how to work with heightened alertness and avoid feeling sleepy while working.

Arranging a Workstation

• Arrange your workstation or position of your body in a way that allows you to work with heightened alertness.

• Position your screen directly in front of you at eye level to avoid feeling sleepy while working.

90-Minute Work Cycles

• The brain goes through 90-minute ultradian cycles throughout the day and night.

• Set a timer for 90 minutes and try to get a strong amount of work done inside that time frame.

• The brain can handle about 90 minutes of dedicated effort for high degree focus.

Increasing Focus

• Use a program like Freedom to shut yourself out of the internet completely.

• Combine using the timer feature with shutting off distractions like social media, email, etc.

• Turn off your phone during this time period.

Self-regulating Distractions

• Avoid going to the restroom during this time period as it can be agitating and disrupt focus.

• Do whatever you need to do in order to self-regulate activities that may distract from work.

The 90-Minute Work Block

In this section, the speaker discusses how he has trained himself to work in a focused manner for 90-minute blocks of time. He shares some tips and tricks that help him maintain focus during these blocks.

Training the Brain to Focus

• The speaker learned how to maintain focus during his graduate studies when he used to slice brains on a microtome.

• When using a microtome, there was a rule that when the blade hits the brain, you don't stop pulling, even if there is an emergency or distraction.

• The speaker applies this same mentality to his work today and tries not to step away from his work unless it's an emergency.

• This tunnel of work can be challenging but feels good and satisfying once accomplished.

Low-Level White Noise

• The speaker uses low-level white noise while working as it puts the brain into a state optimal for learning and workflow.

• White noise engages brain areas involved in attention, focus, cognition, memory more effectively than silence.

• Dopamine release associated with motivation and craving is increased by low levels of white noise playing in the background.

Creating Space for Focused Work

• Everything about this 90-minute block from low levels of white noise to position of computer is geared towards putting me in this tunnel of work.

• The timing of this 90-minute block should start more or less four to six hours after your temperature minimum.

• This tunnel of work helps funnel my brain into a state rather than allowing whatever events and contexts on social media might be occurring in the world that would yank me out of what for me is my purpose and mission in life.

Conclusion

• The speaker tries to achieve this 90-minute work block most, if not every day that he's alive because for him, it is kind of holy.

• The speaker has set up a relationship between himself and the work he's doing, but also between himself and his ability to control his own state of mind using various supports like white noise.

The Relationship Between Temperature Minimum and Focus Cognition

In this section, the speaker explains how temperature minimum affects focus cognition and how to optimize a 90-minute work session based on it.

Optimizing Work Sessions Based on Temperature Minimum

• A precise time for a 90-minute work session exists, but it varies from person to person.

• The temperature minimum defines the trough of your body temperature across the 24-hour cycle.

• Your body temperature starts to rise immediately after your temperature minimum, which triggers cortisol release that wakes you up further.

• Catching the steepest slope of that temperature rise is key to optimizing a 90-minute work session.

Placing Work Sessions Based on Temperature Minimum

• You can make good guesses about when your body temperature is rising fastest by virtue of that temperature minimum.

• Starting a 90-minute work session five or six hours after your temperature minimum will vary from person to person.

• If you struggle to find focus, let your physiology support your efforts rather than trying to do your best work at times of day when your physiology directs you toward de-focus and lethargy.

Physical Movement and Brain Health

In this section, the speaker discusses how physical movement supports brain health and function in both the immediate term and long term.

Exercise for Brain Health

• Physical movement can support brain health and function in both the immediate term and long term.

• After finishing a 90-minute work session, doing some sort of physical exercise supportive of brain health is recommended.

Types of Physical Activity

• Physical activity can generally be batched into two categories: strength/hypertrophy work and cardiovascular/aerobic exercise.

• The structure of exercise should be based on scientific data and what the scientific data say is best or optimal to promote longevity of the brain, ability to focus, as well as cardiovascular health and all the other things that we know exercise supports.

Exercise and Health

In this section, the speaker talks about how exercise impacts his day and how he structures his day to incorporate physical movement that supports his brain and health. He emphasizes the importance of keeping workouts relatively short and exercising at least five days per week.

Importance of Short Workouts

• Working out hard for longer than an hour can be detrimental because it raises cortisol levels.

• Keeping workouts relatively short can help maintain proper hormonal health.

• 60 minutes or less should be more than sufficient for most people.

• For many people, including the speaker, 45 minutes or 50 minutes is probably even more optimal.

Exercise Regimen

• To optimize cardiovascular and brain health, exercise at least five days per week.

• A 3:2 ratio works well where three of those five workouts per week emphasize strength and hypertrophy while the other two emphasize endurance.

• After 10 or 12 weeks, switch to a regimen of doing a 3:2 ratio where you're prioritizing endurance work.

• Focus on strength and hypertrophy work merely to maintain strength and hypertrophy.

Benefits of Exercise

• Resistance training supports maintaining muscular health and bone health.

• Cardiovascular endurance work is beneficial both to the muscles of the body, organs of the body, but also to the brain.

• Movement is crucial to get your brain to function properly by increasing blood flow to the brain.

Exercise and Brain Health

In this section, the speaker discusses how exercise can support the health of existing neurons and the optimal duration and intensity of exercise for brain health.

Exercise and Neuron Health

• Increasing the number of neurons may not be as beneficial as supporting the health of existing neurons.

• Incorporating new neurons into existing brain circuitry is challenging for the brain to do.

Optimal Duration and Intensity of Exercise

• Endurance work and strength training done in combination are immensely beneficial for brain-derived neurotrophic factor production, limiting inflammatory cytokines like IL-6, promoting anti-inflammatory cytokines like IL-10, provided that exercise is of proper duration and intensity.

• Approximately 60 minutes plus or minus 15 minutes is optimal for all these health benefits.

• About 80% of resistance training should not go to failure, while approximately 20% can be higher intensity to failure type training.

• About 80% of endurance work should not incorporate a burning sensation associated with lactate metabolism, but approximately 20% can include it to trigger activation and release certain compounds from glia that support neuron health.

Protocol for Exercise

• A protocol could involve spending around ten weeks focusing mainly on endurance where three workouts per week on endurance work are done with 80% below burn threshold but with about 20% above it based on scientific data that supports lactate metabolism, brain health, cardiovascular health, oxygen utilization etc.

Training Protocol

In this section, Tim Ferriss talks about his training protocol and how he balances resistance and endurance training.

Resistance and Endurance Training

• Tim Ferriss trains six days a week, with three days dedicated to resistance work and two days for endurance work.

• He follows a 3:2 ratio of resistance to endurance training, but acknowledges that some people may need to train more frequently.

• This protocol is based on scientific literature and advice from experts in the field of resistance and endurance training.

Fasted Training

• Tim Ferriss prefers to train fasted as it has immediate and long-term benefits for cellular health, liver health, and other organs.

• Engaging in physical exercise while fasted can amplify the effects of that exercise.

• Prior to exercising, Tim Ferriss ingests water with electrolytes such as sodium, magnesium, potassium.

Nutrients

• While fasting has benefits for brain function, eating is also important for brain health.

• Lowish blood sugar tends to give us a sense of mental clarity and focus related to adrenaline phenomenon.

• Sufficient electrolytes are required for neurons to function properly.

Stimulants and Food Timing

In this section, the speaker discusses the use of stimulants before physical training and food timing.

Stimulants Before Physical Training

• Stimulants can facilitate motivation by increasing dopamine and epinephrine release, reducing adenosine levels in the bloodstream, and increasing fat oxidation.

• The speaker is not a fan of ingesting stimulants before training due to problems associated with most forms of stimulants. Instead, he recommends ingesting caffeine sources like guayusa or mate, electrolytes, water, or occasionally an espresso or cup of coffee.

• If the speaker needs help increasing his motivation or wants to push extremely hard during a workout, he will ingest alpha-GPC. Alpha-GPC supports the release of acetylcholine and has been shown to increase physical and cognitive performance.

Food Timing

• The volume of food is important because large volumes divert blood to your gut, making you feel lethargic with less blood going to your brain.

• Eating enormous volumes of anything into your gut makes it difficult for you to think clearly.

• For lunch, the speaker emphasizes slightly lower carbohydrate intake for alertness support. He fasts until noon then eats a lunch consisting of some sort of protein (meat/chicken/salmon), vegetables, etc. If he has exercised previously that day (five days a week), he will ingest some starches like bread/rice/oatmeal with butter and nuts.

The Impact of Food on Alertness

In this section, the speaker discusses how different types of food can impact alertness.

Carbohydrates and Alertness

• Starches cause the release of serotonin in the brain, which can lead to sleepiness.

• About 25% of individuals have genes that allow them to eat large amounts of carbohydrates without feeling lethargic.

• Eating a meal that is mainly protein, healthy fats, and lowish carbohydrates or no carbohydrates allows for heightened states of alertness throughout the day.

Omega-3 Fatty Acids and Mood

• Ingesting sufficient levels of omega-3 fatty acids supports healthy mood and can act as an antidepressant.

• More than a dozen studies have shown that ingesting at least 1,000 milligrams per day of the EPA form of essential fatty acid is as effective as prescription antidepressants in relieving depression.

• Foods high in omega-3 fatty acids include fatty salmon, krill, various forms of algae, etc.

Iodine and Selenium for Thyroid Function

• Sufficient iodine intake is important for proper thyroid production and function.

• Selenium has also been shown to be important for proper thyroid production and function. Brazil nuts are a good source of selenium.

Impact of Volume, Content, Ratios & Timing

• The volume, content (protein/fat/carbs), ratios between these macronutrients will impact how you feel and your brain health.

• Allowing periods of 12 hours or more each 24-hour cycle where you're not ingesting anything is beneficial.

Nutrition and Hormones

In this section, the speaker discusses the importance of nutrition and hormones for overall health and wellbeing.

Importance of Nutrition

• The duration of fasting each 24-hour cycle is important for overall health.

• Getting sufficient omega-3s and selenium is crucial to support thyroid function, metabolism in the body, and brain tissue repair.

Importance of Hormones

• Hormones have broad effects on the body and brain.

• Testosterone and estrogen are present in varying ratios in both men, women, and kids. They are manufactured from cholesterol which is a precursor to sex steroid hormones.

• Having sufficient levels of testosterone is vital for brain function while having sufficient levels of estrogen allows the brain to maintain longevity.

Optimizing Hormone Levels

• Eating butter can help ensure that you get sufficient cholesterol which is a precursor to sex steroid hormones.

• Morning sunlight, exercise, fasting can support testosterone and estrogen in meaningful ways.

• Testosterone can exert its various functions only in its unbound form called free testosterone. Sex hormone binding globulin binds up testosterone preventing it from being free but allowing it to be transported to various tissues including the brain where it can exert its various functions.

Hormone Optimization and Non-Sleep Deep Rest

In this section, Dr. Rhonda Patrick discusses two compounds that can help optimize testosterone and estrogen levels, the importance of taking a brief walk after lunch, and the benefits of non-sleep deep rest.

Hormone Optimization

• Fadogia agrestis is an herb that increases the levels of luteinizing hormone which stimulates the release of estrogen or testosterone.

• Examine.com has a lot of information on hormone optimization.

Importance of Taking a Brief Walk After Lunch

• Taking a brief walk after ingesting food can accelerate metabolism and improve nutrient utilization.

• Walking outside after lunch also provides light exposure which supports circadian rhythm and cognitive rhythms.

Non-Sleep Deep Rest

• Non-sleep deep rest (NSDR) is an umbrella term for protocols that involve a deliberate shift towards deeper relaxation to support better brain and body function.

• NSDR protocols include meditation, yoga nidra, hypnosis, etc., all of which have been shown to promote states of deep relaxation and heightened focus.

• Hypnosis has been shown by the greatest number of scientific studies to promote not just states of deep relaxation but also to accelerate plasticity and learning within the brain.

Hypnosis as an Optimal NSDR Protocol

In this section, the speaker discusses hypnosis as a unique and directed form of meditation that can be used to guide the brain towards a particular outcome or change. The speaker recommends Reveri.com, a zero-cost resource that provides multiple hypnosis protocols backed by high-quality science.

Hypnosis App on Reveri.com

• Reveri.com is a website that offers links to an app available in Apple and Android stores.

• The app contains multiple hypnosis protocols backed by high-quality science conducted by David Spiegel, the associate chair of psychiatry at Stanford School of Medicine.

• The protocols include enhancing focus, creativity, reducing pain, improving sleep quality and reducing anxiety.

• Most protocols are 10-15 minutes long while some are only one minute long.

Brain Activity Associated with Hypnosis

• A study conducted by Jiang et al. shows that specific areas of our brain involved in executive function and default mode network get activated during hypnosis.

• Hypnosis also activates the insula which enhances interoception (our sense of internal state), deep relaxation, focus and self-awareness simultaneously.

Benefits of Hypnosis

• Hypnosis increases plasticity which is the brain's ability to change in response to experience. It opens up pathways that allow you to change your brain in ways you want.

• Unlike stage hypnosis where people are programmed to do things against their will, hypnotherapy teaches your brain how to access focused, relaxed interoceptive states for particular outcomes such as reducing anxiety or enhancing creativity.

Personal Experience with Hypnosis

• The speaker practices hypnosis every day after lunch and a walk. It allows him to enter a state of deep relaxation and exit in a focused and deliberate way, enabling him to function without brain fog or grogginess.

Sleep and Hydration

In this section, the speaker talks about how hypnosis helps him sleep better and how he hydrates after waking up from hypnosis.

Hypnosis and Better Sleep

• The speaker believes that hypnosis is the best tool to access for better sleep.

• After exiting hypnosis, the speaker scratches his dog behind the ear before hydrating.

Importance of Hydration

• Hydration is important for brain function and all bodily functions.

• The speaker links drinking water to his hypnosis practice to ensure he hydrates.

• He tends to focus on work around 2:30 or 3:00 PM after hydrating.

Avoiding Afternoon Dip

• Shifting morning caffeine intake by 90 minutes to two hours after waking up and using hypnosis protocol has helped the speaker avoid afternoon dips in energy.

• Certain things need to be done properly prior to the arrival of 2:00 or 3:00 PM.

Napping and Light Exposure

In this section, the speaker talks about napping rules according to sleep science. He also discusses light exposure in the afternoon and its impact on sleep health, wakefulness, metabolism, hormone health, learning, memory, immune system, and mood.

Rules Around Napping

• Naps should be 90 minutes or less.

• People can nap for 10 or 20 minutes if they cannot get enough sleep at night.

• There are two varieties of people when it comes to napping - those for whom napping interferes with falling asleep later that night and staying asleep; those for whom it does not interfere.

Light Exposure in Afternoon

• Viewing light in the afternoon is a key protocol for sleep health, wakefulness, metabolism, hormone health.

• Our eyes become very sensitive to light as we progress into the evening hours.

• Viewing bright lights or even not so bright lights between 10:00 PM and 4:00 AM can disrupt dopamine production and screw up our sleep.

• Getting a little bit of afternoon light in your eyes can prevent this disruption of bright light later in the evening.

The Importance of Evening Light Exposure

In this section, the speaker discusses the importance of getting natural light exposure in the evening hours to buffer against negative effects of bright light later at night.

Benefits of Evening Light Exposure

• Getting outside and viewing sunlight in the evening hours for 5-30 minutes can help keep your melatonin rhythm appropriate.

• Melatonin is a hormone that allows you to fall asleep easily and is inhibited by light.

• To optimize your brain and body health, it's important to leverage your nervous system by doing simple things like getting afternoon or evening light exposure.

Protocol for Evening Light Exposure

• Get outside in the afternoon or evening for 10-30 minutes without sunglasses on to get some natural light in your eyes.

• Avoid blue blockers as they make your eyes more sensitive to any light you might see later in the evening.

• If you can't get outside, dim artificial lights inside instead of using blue blockers.

Optimizing Dinner for Sleep

In this section, the speaker talks about how dinner can be optimized to support rest and deep sleep.

Importance of Starchy Carbohydrates

• Eating starchy carbohydrates at dinner can increase serotonin levels which helps with transitioning to sleep.

Personal Approach to Dinner

• The speaker eats foods that he enjoys and doesn't avoid anything simply for benefits alone.

• Dinner generally consists of foods that support rest and deep sleep.

Carbohydrates and Neurochemistry

In this section, the speaker discusses how carbohydrates affect neurochemistry and why they are important for sleep.

The Effect of Carbohydrates on Neurons in the Gut

• Carbohydrates can disrupt neurons in the gut that sense fatty acids and amino acids from fats and proteins.

• These same neurons can respond to sugar, creating a situation where you start craving more sugar because those neurons communicate via a nerve pathway called "the vagus nerve" and a little cluster of neurons called the "nodose ganglia."

• Nodose ganglias are right next to the corner of your jaw and can trigger the activation and release of dopamine in your brain, which makes you crave more sugar independent of how something tastes.

Why Carbohydrates Are Important for Sleep

• Serotonin is necessary to enter sleep. Low-carbohydrate diets throughout the 24-hour period make it hard to achieve heightened levels of serotonin.

• Melatonin and serotonin fall in the same pathway. They are related hormones and neuromodulators.

• The evening meal consists largely of carbohydrates for that specific purpose of generating a sense of calm.

• Ingesting starchy carbohydrates induces rest and relaxation.

Enhancing Sleep Safely

In this section, the speaker talks about enhancing sleep safely without supplementing with anything directly dopamine or serotonin.

Supplementing with Serotonin

• Supplementing with serotonin in the evening or at night can cause problems in the architecture or structure of sleep.

• It can cause people to fall asleep very fast, sleep very deeply for three or four hours, then wake up having a terrible time falling back asleep.

• This effect can last several days.

Enhancing the Transition to Sleep Safely

• There are other things that can enhance the transition to sleep safely.

• The speaker will talk about them in a few minutes.

Low-Carbohydrate or No-Carbohydrate Diets

In this section, the speaker discusses low-carbohydrate or no-carbohydrate diets and why they may not be attractive to him.

Why Low-Carbohydrate Diets May Not Be Attractive

• Creating a situation of maybe fasting, then low-carb or no-carb diets for states of alertness and focus at one portion of the day, and then ingesting starchy carbohydrates for inducing rest and relaxation is at least scientifically, rationally-based protocol.

• Low carbohydrates throughout the 24-hour period are not attractive because it's hard to achieve heightened levels of serotonin which are necessary to enter sleep.

• Some people will do much better on a low-carbohydrate or even ketogenic diet.

Using Heat to Improve Sleep

In this section, the speaker discusses how heat can be used to improve sleep quality. He explains that a drop in temperature of one to three degrees is important for falling asleep easily and suggests using hot baths, hot showers, or saunas to accelerate this drop in temperature.

Leveraging Heat for Better Sleep

• Hot baths, hot showers, or saunas can help accelerate the drop in body temperature needed for better sleep.

• Getting out of a sauna or hot shower will engage mechanisms that allow your body to cool off more quickly and fall asleep more easily.

• Longer bouts of sauna followed by cooling have been shown to lead to huge increases in growth hormone which is involved in muscle growth, fat metabolism, and repair of various tissues.

Behavioral Protocols for Better Sleep

In this section, the speaker discusses behavioral protocols that can help improve sleep quality. He emphasizes the importance of keeping the room dark and cool.

Keeping the Room Dark

• Keeping the room very dark is essential for some people who have thin eyelids as it doesn't take much light to wake up their brain and body.

Keeping the Room Cool

• Keeping the room cool is useful because there are phases of sleep where you are paralyzed (REM sleep), but there are portions of the night where you can move. One way you move is by putting your hand out or your foot out or taking your face out from under covers as a means to cool yourself.

• If you are in a cool room, you can put yourself under blankets to stay warm and then if you want to cool off, you can simply remove a limb or toss the covers off entirely.

The Role of Cooling in Sleep

In this section, the speaker discusses the role of cooling in sleep and how it can be used to improve sleep quality.

The Value of Cooling

• Putting a hand out or a foot out is valuable for cooling. If you are in a cool room, you can put yourself under blankets to stay warm and then if you want to cool off, you can simply remove a limb or toss the covers off entirely.

• The speaker has an episode on the role of cooling in something called "heat dumping" or bringing heat into the body through palms, face, and bottoms of feet.

The Benefits of Palmar Cooling and Sleep Aids

In this section, the speaker discusses the benefits of palmar cooling for exercise and how it is grounded in basic physiological functions. They also discuss sleep aids that can aid in the transition to sleep.

Palmar Cooling for Exercise

• Proper use of palmar cooling can vastly increase the volume of exercise one can do and still recover from it.

• Palmar cooling is grounded in a basic physiological function of our palms, feet, and face which allows cool to pass into the body.

• AVAs (arteriovenous anastomosis) are located in these areas and allow for efficient cooling of the body.

Sleep Aids

• Melatonin is not recommended as a sleep aid due to high dosages in supplements, negative effects on sex steroid hormones, and its role in suppressing puberty onset.

• Magnesium bisglycinate or magnesium threonate taken 30 to 60 minutes before sleep can aid in falling asleep faster and staying asleep by promoting GABA release within the brain.

• Apigenin found in chamomile can reduce rumination, anxiety, and aid in shutting off the forebrain when taken 30 minutes before sleep.

• Theanine increases GABA release but also activates chloride channels which turn neurons off or lower their levels of activity.

Supplements for Better Sleep

In this section, the speaker discusses the importance of exploring supplements to improve sleep quality and avoid side effects associated with prescription drugs.

Benefits of Magnesium Threonate and Bisglycinate

• Magnesium threonate or bisglycinate, apigenin, and theanine have been found to be beneficial for improving sleep quality.

• These supplements have neuroprotective effects that support neuron health and longevity.

Tips for Waking Up in the Middle of the Night

Going to Bed Earlier

• If you're tired in the evenings but push yourself to stay awake, your melatonin pulse may be initiated early in the night. Going to bed earlier can help offset this issue.

• For those who cannot go to bed earlier due to social or work-related reasons, getting more bright light in the evening around 7:00 or 8:00 PM can delay melatonin pulse.

Anxiety or Restroom Breaks

• Many people wake up in the middle of the night due to anxiety or restroom breaks. Flipping on dim lights is fine but try turning them off as soon as possible.

• Non-sleep deep rest protocols such as yoga nidra and sleep hypnosis can help put your brain and body into a state of deep relaxation that mimics sleep state.

Overall, exploring supplements like magnesium threonate or bisglycinate, apigenin, and theanine can improve sleep quality without side effects associated with prescription drugs. Additionally, going to bed earlier or getting more bright light in the evening can help offset issues related to waking up in the middle of the night.

Daily Schedule

In this section, the speaker talks about his daily schedule and emphasizes the importance of doing the hardest or most important task early in the day. He also discusses the importance of rest and maintaining a regular sleep schedule.

Importance of Morning Work Block

• The speaker emphasizes doing the hardest or most important task early in the day.

• The speaker positions a 90-minute work block in the morning to ensure that it happens with maximum efficiency.

• The speaker describes a second work block in the afternoon after an NSDR.

Importance of Rest and Regular Sleep Schedule

• The speaker takes one day off per week but acknowledges weekend drift where schedules may vary on weekends.

• The speaker encourages getting morning sunlight and trying to maintain a regular sleep schedule.

• If staying up late, it's best to still wake up at your regular wake-up time rather than sleeping late.

Importance of Staying Up Late

In this section, the speaker discusses how staying up late can affect our health and why it's important to stay up until our normal bedtime even if we had a poor night's sleep.

Importance of Staying Up Late

• It's not recommended to go to bed early after having stayed up late as it can disrupt our rhythm.

• Try to wake up at more or less the same time every day and try to go to sleep at more or less the same time every night.

Enjoying Life

In this section, the speaker emphasizes the importance of enjoying life and not discouraging people from having a social or party life.

Importance of Enjoying Life

• The speaker encourages people to enjoy life as it's one of the main things we should all be pursuing.

• Some of the greatest things in life happen after 10:00 PM, and some even involve sleepless nights.

Overall, the speaker emphasizes the importance of doing important tasks early in the day, maintaining a regular sleep schedule, and enjoying life while also acknowledging the importance of rest.

The Neuroscience of Productivity

In this podcast episode, Dr. Andrew Huberman discusses the neuroscience of productivity and shares his daily routine for optimal productivity.

The Importance of Deep Focus Blocks

• One or two 90-minute deep focus blocks are what most people can handle in a day.

• Throughout the day, there are other things happening outside of these work blocks.

• Carve out boundaries around these work blocks to benefit from them.

Adapting to Your Schedule

• Modify the routine described in this episode to best serve your schedule and type of work.

• Dr. Huberman emphasizes that the routine he describes may not apply specifically to all types of work.

Scientific Rationale Behind the Routine

• Dr. Huberman provides a scientific rationale behind each aspect of his daily routine.

• He refers to peer-reviewed data and specific papers that support his practices.

• He examines the literature and figures out where there's sort of a directive protocol that emerges from all these various studies.

Supporting the Podcast

• If you're learning from this podcast and enjoying it, please support by subscribing on YouTube, Apple, and Spotify.

• Leave up to a five-star review on Apple with written comments.

• Follow on Instagram for short tutorials on neuroscience-based tools.

• Join Neural Network for free monthly protocols and resources at hubermanlab.com.

Supplements and Sponsors

• Thorne supplements are known for their high stringency and quality. Get 20% off any supplement at thorne.com/U/Huberman

• Check out sponsors whose products we absolutely love. Links in episode caption.

Conclusion

Dr. Andrew Huberman shares his daily routine for optimal productivity based on scientific rationale. He emphasizes the importance of deep focus blocks and adapting the routine to best serve your schedule and type of work. Support the podcast by subscribing, leaving a review, following on Instagram, and joining Neural Network. Check out Thorne supplements for high-quality products and our sponsors for great products we love.