Wendy Troxel: Why school should start later for teens
溫蒂・特羅克塞爾: 為何學校應該為青少年延後上課時間?
Wendy Troxel specializes in behavioral treatments for insomnia and other sleep disorders. Full bio
Double-click the English transcript below to play the video.
is fast asleep in his bed,
deep sleep of a teenager.
shake the poor boy awake,
like ripping off a Band-Aid,
只是為了叫醒她的孩子。
just to rouse her sleeping teen.
on her son's head
她兒子的頭上,
對待自己的兒子?」
我兒子所需要的睡眠,
of the sleep he desperately needs
青少年來說,是非常需要的。
biological clock tells him he's ready,
of his dreams --
with learning, memory consolidation
that's being deprived of sleep.
被剝奪了睡眠。
American teenagers is an epidemic.
睡眠不足是普遍流行的現象。
the eight to 10 hours of sleep per night
每天晚上的睡眠時間
所建議的 8 至 10 個小時,
and pediatricians.
my kid's getting eight hours,"
我的孩子有睡到 8 個小時。」
the minimum recommendation.
getting a C on your report card.
在成績單上得到 C 而已。
contributing to this epidemic,
睡眠不足的情況普遍蔓延,
from getting the sleep they need
荷爾蒙、社交生活,
Snapchat 所造成的。
早上七點半左右到校,
around 7:30am or earlier,
medical organizations recommend
早上八點半之前上課。
start no earlier than 8:30am.
have a direct effect on how much --
直接影響到美國的青少年,
American teenagers are getting.
teenagers and their parents
青少年和他們的父母,
against their own bodies.
與自己的身體健康對抗。
in their biological clock,
and when we feel most sleepy.
以及何時感覺到疲倦。
in the release of the hormone melatonin.
褪黑激素的時間差所造成的。
melatonin until around 11pm,
會等到晚上 11 點左右
we see in adults or younger children.
晚了 2 個小時。
at 6am is the biological equivalent
凌晨四點醒來的成年人。
when I have to wake up at 4am,
我必須在凌晨四點起床,
teenagers feel every single school day.
每天上學時的感受。
that we chalk up to being a teenager --
laziness, depression --
of chronic sleep deprivation.
battling chronic sleep loss,
要對抗長期性的睡眠不足,
is consuming large quantities of caffeine
是藉由超大杯星冰樂
of tired but wired youth.
變得疲憊而且焦躁不安。
start times know
倡導者瞭解到,
of dramatic brain development,
higher order thinking processes,
and good judgment.
和良好的判斷。
of brain activity that's responsible
特殊型態的大腦活動,
and often risky behaviors
to us parents of teenagers.
青少年的父母所擔心的。
get the sleep they need,
and behaviors suffer
behavioral signs that mimic ADHD.
類似過動症的行為。
go well beyond the classroom,
不只發生在課堂學習,
of the mental health problems
from LA Unified School District,
青少年所進行的研究,
to have used alcohol in the past month.
在過去一個月曾經酗酒。
30,000 high school students,
高中生的研究發現,
for each hour of lost sleep,
會增加 38%,
in feeling sad or hopeless,
in teen suicide attempts.
are at increased risk
that plague our country,
heart disease and diabetes.
of putting a sleep-deprived teen,
or less of sleep per night
不到五個小時,
alcohol content above the legal limit.
超過法定標準的酒駕行為。
延後上學時間的倡導者,
of later start times.
with that kind of certainty.
with later start times get more sleep.
青少年能得到更多的睡眠時間。
如果學校延後上課時間,
that if schools start later,
by 25 percent in one district.
曠課率下降了 25% 。
they do better academically.
他們的課業表現也更好。
for reducing the achievement gap.
帶來實際的效益。
in math and reading
by one-third fewer students,
減少三分之一,
in the classroom
more pleasantness from our teens,
讓我們的孩子擁有多一些快樂,
卻不響應這個提議呢?
failed to heed this call?
start times goes something like this:
通常是這樣的:
start times for teenagers?
讓他們適應這個現實世界!」
so they're ready for the real world!"
to the parent of a two-year-old,
一位兩歲幼兒的父母說:
many logistical challenges.
日常營運上的挑戰。
that come up in district after district,
we have to work through.
for our children,
no earlier than 8:30am.
早上八點半開始上課。
who have made this change,
are often unfounded
例如學生的健康、
benefits for student health
to set our clocks back by an hour
往後調一個小時,
extra hour of sleep,
能夠睡到自然醒,
to wake up naturally,
ABOUT THE SPEAKER
Wendy Troxel - Sleep researcherWendy Troxel specializes in behavioral treatments for insomnia and other sleep disorders.
Why you should listen
Dr. Wendy Troxel is a Senior Behavioral and Social Scientist at RAND and Adjunct Professor of Psychiatry and Psychology at the University of Pittsburgh. She is a licensed clinical psychologist specializing in behavioral treatments for insomnia and other sleep disorders across the lifespan. Her research is funded by the National Heart Lung Blood Institute of the National Institutes of Health and the Department of Defense. Troxel's research focuses on the interface between sleep, social environment and health, as well as the implications for public policy. She is considered the leading authority on how sleep affects and is affected by close relationships.
Troxel has received several awards and honors for her research from national and international scientific societies, and her work has been published in top-tier medical and psychological journals. Her research has been widely cited in the national and international media, including print and television interviews on CBS Sunday Morning, Good Morning America, the Wall Street Journal, the New York Times, MSNBC and CNN, and she has a regular blog on Huffington Post. Her research on sleep was also featured in two best-selling books: Arianna Huffington's Sleep Revolution and David Randall's Dreamland, and she was a featured expert in the National Geographic documentary Sleepless in America. She has published several highly influential RAND reports on sleep loss in the US military and the global economic implications of sleep loss. She recently was one of the co-organizers and presenters at the first-ever national conference on Adolescent Sleep, Health, and School Start Times, and she will serve as guest editor on an upcoming special issue in the journal Sleep Health on adolescent sleep and school start times.
Wendy Troxel | Speaker | TED.com