Why school should start later for teens | Wendy Troxel

Why school should start later for teens | Wendy Troxel

Introduction

The speaker introduces herself as a sleep researcher and talks about the importance of sleep for teenagers.

Sleep Deprivation Among American Teenagers

  • Only one in 10 American teenagers gets the recommended eight to 10 hours of sleep per night.
  • Many factors contribute to this epidemic, but a major factor is early school start times.
  • Teenagers experience a delay in their biological clock around puberty, which means waking them up at 6am is equivalent to waking an adult up at 4am.
  • Chronic sleep deprivation can lead to moodiness, irritability, laziness, depression and other unpleasant characteristics that we often associate with being a teenager.

Effects of Sleep Deprivation on Teenagers

  • Waking up hours before their natural biological clock tells them they're ready robs teenagers of the type of sleep most associated with learning, memory consolidation and emotional processing.
  • To compensate for chronic sleep loss, many teens consume large quantities of caffeine in the form of venti frappuccinos or energy drinks and shots. This leads to an entire population of tired but wired youth.

Early School Start Times

  • Despite major medical organizations recommending that middle and high schools start no earlier than 8.30am, many schools across America start around 7.30am or earlier.
  • Early school start policies have a direct effect on how little sleep American teenagers are getting.

Personal Experience

The speaker shares her personal experience of waking up her teenage son early in the morning.

Waking Up Teenagers

  • Teenagers sleep recklessly and deeply.
  • Waking teenagers up early is a common struggle for parents, but it's better to get it over with quickly.
  • Some parents resort to extreme measures like dumping cold water on their children's heads just to get them out of bed.

Conclusion

The speaker concludes by emphasizing the importance of sleep for teenagers and calling for changes in school start times.

Importance of Sleep for Teenagers

  • Sleep loss can have serious consequences for teenagers who are rapidly growing.
  • Depriving teenagers of sleep robs them of the type of sleep most associated with learning, memory consolidation and emotional processing.

Changes Needed

  • Major medical organizations recommend that middle and high schools start no earlier than 8.30am.
  • Early school start policies pit teenagers and their parents against their own bodies.
  • Changes need to be made at a policy level to ensure American teenagers are getting enough sleep.

The Importance of Sleep for Teenagers

In this section, the speaker discusses the importance of sleep for teenagers and how it affects their brain activity, behavior, mental health, physical health, and academic performance.

The Consequences of Teen Sleep Loss

  • When teenagers don't get enough sleep, their brains, bodies and behaviors suffer with both immediate and lasting effects.
  • Teens who don't get enough sleep can't concentrate and may show behavioral signs that mimic ADHD.
  • Teen sleep loss contributes to many mental health problems that skyrocket during adolescence including substance use, depression and suicide.
  • Teens who skip out on sleep are at increased risk for a host of physical health problems including obesity, heart disease and diabetes.

Benefits of Later Start Times

  • Advocates of sleep-friendly start times have produced tremendous science showing the benefits of later start times.
  • Teens from districts with later start times get more sleep resulting in better academic performance.
  • Mental and physical health improves when teens get more sleep.
  • Communities are safer because car crash rates go down when teens get more sleep.

Challenges to Implementing Later Start Times

  • Delaying start times presents logistical challenges such as updating bus routes, increased transportation costs, impact on sports, care before or after school.
  • These concerns come up in district after district around the country as school start times are debated.

Later School Start Times

In this section, the speaker argues for later school start times for middle and high schools.

Benefits of Later Start Times

  • Starting middle and high schools no earlier than 8:30am is the right thing to do for our children.
  • Districts that have made this change have found that fears about logistical challenges are often unfounded and far outweighed by the tremendous benefits for student health and performance, as well as public safety.

The Power of Sleep

  • Sleep is a powerful tool that can benefit students greatly.
  • The extra hour of sleep gained from setting clocks back should be a reminder of the importance of sleep.
  • Later school start times would allow children to wake up naturally in harmony with their own biology.
Channel: TED
Video description

Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel discusses how early school start times deprive adolescents of sleep during the time of their lives when they need it most. The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and more. Follow TED on Twitter: http://www.twitter.com/TEDTalks Like TED on Facebook: https://www.facebook.com/TED Subscribe to our channel: https://www.youtube.com/TED