ABOUT THE SPEAKER
Wendy Troxel - Sleep researcher
Wendy 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.

More profile about the speaker
Wendy Troxel | Speaker | TED.com
TEDxManhattanBeach

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?

Filmed:
1,860,295 views

溫蒂・特羅克塞爾認為:青少年的睡眠不足,並不是因為 Snapchat (照片分享軟體)、社交生活或荷爾蒙──主要是因為公共政策。身為一位睡眠研究者、臨床醫師和青少年的母親,特羅克塞爾從她的經驗中,探討了過早的上學時間,如何剝奪了青少年的睡眠,而這正是他們在青春期最迫切需要的。
- Sleep researcher
Wendy Troxel specializes in behavioral treatments for insomnia and other sleep disorders. Full bio

Double-click the English transcript below to play the video.

00:12
It's six o'clock in the morning早上,
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早上六點鐘,
00:14
pitch瀝青 black黑色 outside.
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外面仍然一片漆黑。
00:16
My 14-year-old-歲 son兒子
is fast快速 asleep睡著 in his bed,
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我十四歲的兒子在床上熟睡著,
這個十幾歲的小子睡得又深又沉。
00:19
sleeping睡眠 the reckless魯莽,
deep sleep睡覺 of a teenager青少年.
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00:24
I flip翻動 on the light and physically物理
shake the poor較差的 boy男孩 awake甦醒,
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我打開燈,將這個可憐的男孩搖醒,
00:28
because I know that,
like ripping翻錄 off a Band-Aid創可貼,
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因為我知道「長痛不如短痛」,
00:30
it's better to get it over with quickly很快.
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最好的方式是趕快讓他醒來。
00:32
(Laughter笑聲)
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(笑聲)
我有一個朋友會大喊「開火!」
只是為了叫醒她的孩子。
00:34
I have a friend朋友 who yells破口大罵 "Fire!"
just to rouse喚醒 her sleeping睡眠 teen青少年.
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我的另一朋友更是無奈,
00:39
And another另一個 who got so fed美聯儲 up
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00:41
that she had to dump傾倒 cold water
on her son's兒子 head
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因為她必須把冷水倒在
她兒子的頭上,
00:43
just to get him out of bed.
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只是為了讓他離開床鋪。
00:46
Sound聲音 brutal野蠻 ...
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聽起來很殘酷......
00:48
but perhaps也許 familiar?
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但也許覺得有點熟悉?
00:51
Every一切 morning早上 I ask myself,
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每天早晨我問自己:
00:54
"How can I --
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「明明我知道各種睡眠的知識,
00:56
knowing會心 what I know
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而且我賴以為生的工作
00:57
and doing what I do for a living活的 --
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就是與睡眠有關,
但是我怎麼能這樣
對待自己的兒子?」
01:00
be doing this to my own擁有 son兒子?"
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01:03
You see,
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你明白了吧,
01:04
I'm a sleep睡覺 researcher研究員.
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我是一位睡眠的研究者。
01:06
(Laughter笑聲)
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(笑聲)
所以我很清楚睡眠的重要性,
01:08
So I know far too much about sleep睡覺
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01:10
and the consequences後果 of sleep睡覺 loss失利.
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以及睡眠不足所導致的後果。
我知道我正在剝奪
我兒子所需要的睡眠,
01:12
I know that I'm depriving剝奪 my son兒子
of the sleep睡覺 he desperately拼命 needs需求
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那對於正處於快速成長階段的
青少年來說,是非常需要的。
01:16
as a rapidly急速 growing生長 teenager青少年.
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01:19
I also know that by waking醒來 him up
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我也知道,我在他生理時鐘的自然醒
01:21
hours小時 before his natural自然
biological生物 clock時鐘 tells告訴 him he's ready準備,
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數小時前將我兒子叫醒,
我正在剝奪了他的美夢──
01:26
I'm literally按照字面 robbing劫財 him
of his dreams --
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01:29
the type類型 of sleep睡覺 most associated相關
with learning學習, memory記憶 consolidation合併
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而這種睡眠型態與學習、記憶固化
01:35
and emotional情緒化 processing處理.
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和情感處理是息息相關的。
01:37
But it's not just my kid孩子
that's being存在 deprived剝奪 of sleep睡覺.
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但是,不只是我的孩子
被剝奪了睡眠。
01:41
Sleep睡覺 deprivation剝奪 among其中
American美國 teenagers青少年 is an epidemic疫情.
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在美國的青少年之中,
睡眠不足是普遍流行的現象。
01:46
Only about one in 10 gets得到
the eight to 10 hours小時 of sleep睡覺 per night
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只有約 1/10 的青少年,
每天晚上的睡眠時間
能夠達到睡眠科學家和小兒科醫生
所建議的 8 至 10 個小時,
01:50
recommended推薦的 by sleep睡覺 scientists科學家們
and pediatricians兒科醫生.
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01:55
Now, if you're thinking思維 to yourself你自己,
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現在,如果你回想自己的情況,
01:57
"Phew表示不快, we're doing good,
my kid's孩子的 getting得到 eight hours小時,"
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「唷,我們家還不錯,
我的孩子有睡到 8 個小時。」
02:00
remember記得,
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要記得,
八個小時是建議的最低標準。
02:01
eight hours小時 is
the minimum最低限度 recommendation建議.
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你只是剛好及格而已。
02:05
You're barely僅僅 passing通過.
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02:07
Eight hours小時 is kind of like
getting得到 a C on your report報告 card.
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「每晚睡八個小時」就像是
在成績單上得到 C 而已。
02:10
There are many許多 factors因素
contributing貢獻 to this epidemic疫情,
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有許多原因使得
睡眠不足的情況普遍蔓延,
02:14
but a major重大的 factor因子 preventing防止 teens青少年
from getting得到 the sleep睡覺 they need
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但是讓青少年得不到需要的睡眠,
02:19
is actually其實 a matter of public上市 policy政策.
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實際上的主因是公共政策。
02:22
Not hormones激素, social社會 lives生活 or SnapchatSnapchat.
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而不是因為孩子們的
荷爾蒙、社交生活,
或是照片分享軟體
Snapchat 所造成的。
02:27
Across橫過 the country國家,
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在全國各地,
許多學校都規定
早上七點半左右到校,
02:28
many許多 schools學校 are starting開始
around 7:30am or earlier,
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有的甚至更早;
儘管各大醫療機構都提出建議,
02:33
despite儘管 the fact事實 that major重大的
medical organizations組織 recommend推薦
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國高中不應該在
早上八點半之前上課。
02:37
that middle中間 and high school學校
start開始 no earlier than 8:30am.
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02:43
These early start開始 policies政策
have a direct直接 effect影響 on how much --
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過早到校上課的規定,
直接影響到美國的青少年,
02:47
or really how little sleep睡覺
American美國 teenagers青少年 are getting得到.
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讓他們的睡眠時間愈來愈少。
02:52
They're also pitting點蝕
teenagers青少年 and their parents父母
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這些規定也使得
青少年和他們的父母,
02:56
in a fundamentally從根本上 unwinnable無法取勝 fight鬥爭
against反對 their own擁有 bodies身體.
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一直在這場贏不了的戰爭當中,
與自己的身體健康對抗。
03:01
Around the time of puberty青春期,
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在青春期的時候,
03:03
teenagers青少年 experience經驗 a delay延遲
in their biological生物 clock時鐘,
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青少年的生理時鐘會被延緩,
03:06
which哪一個 determines確定 when we feel most awake甦醒
and when we feel most sleepy.
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而這決定了我們何時感覺到清醒,
以及何時感覺到疲倦。
03:11
This is driven驅動 in part部分 by a shift轉移
in the release發布 of the hormone激素 melatonin退黑激素.
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而這是由於釋放
褪黑激素的時間差所造成的。
03:16
Teenagers'青少年' bodies身體 wait to start開始 releasing釋放
melatonin退黑激素 until直到 around 11pm下午,
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青少年的體內
會等到晚上 11 點左右
才開始釋放褪黑激素,
03:21
which哪一個 is two hours小時 later後來 than what
we see in adults成年人 or younger更年輕 children孩子.
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這比我們一般大人或小孩
晚了 2 個小時。
03:27
This means手段 that waking醒來 a teenager青少年 up
at 6am is the biological生物 equivalent當量
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這意味著早上六點醒來的青少年,
他的生理狀況相當於
凌晨四點醒來的成年人。
03:33
of waking醒來 an adult成人 up at 4am.
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03:37
On the unfortunate不幸的 days
when I have to wake喚醒 up at 4am,
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在某些悲慘的日子裡,
我必須在凌晨四點起床,
那時我就像是個殭屍。
03:41
I'm a zombie殭屍.
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03:43
Functionally功能 useless無用.
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一無是處。
03:44
I can't think straight直行,
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我的思緒混亂,
情緒煩躁,
03:46
I'm irritable急躁,
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03:48
and I probably大概 shouldn't不能 be driving主動 a car汽車.
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或許我連車都開不好。
03:51
But this is how many許多 American美國
teenagers青少年 feel every一切 single school學校 day.
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然而,這是許多美國青少年
每天上學時的感受。
03:56
In fact事實, many許多 of the, shall we say,
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事實上我們可以說,
青少年有許多令人討厭的特質:
03:59
unpleasant不愉快 characteristics特點
that we chalk粉筆 up to being存在 a teenager青少年 --
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04:03
moodiness喜怒無常, irritability易怒,
laziness怠惰, depression蕭條 --
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例如情緒化、焦躁、懶惰、憂鬱──
04:07
could be a product產品
of chronic慢性 sleep睡覺 deprivation剝奪.
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這些都是長期睡眠不足所造成的。
04:11
For many許多 teens青少年
battling作戰 chronic慢性 sleep睡覺 loss失利,
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對許多青少年來說,
要對抗長期性的睡眠不足,
04:13
their go-to strategy戰略 to compensate補償
is consuming消費 large quantities數量 of caffeine咖啡因
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他們的補償方式
是藉由超大杯星冰樂
或是能量飲料,
04:19
in the form形成 of venti特大杯 frappuccinos星冰樂,
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來攝取大量的咖啡因。
04:21
or energy能源 drinks飲料 and shots鏡頭.
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04:24
So essentially實質上,
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所以基本上,
04:25
we've我們已經 got an entire整個 population人口
of tired but wired有線 youth青年.
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我們讓所有的青少年
變得疲憊而且焦躁不安。
04:33
Advocates倡導者 of sleep-friendly睡眠友好
start開始 times know
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主張友善睡眠與延後上課的
倡導者瞭解到,
04:37
that adolescence青春期 is a period
of dramatic戲劇性 brain development發展,
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青春期正是大腦劇烈發展的時期,
04:40
particularly尤其 in the parts部分 of the brain
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特別是大腦結構當中,
04:42
that are responsible主管 for those
higher更高 order訂購 thinking思維 processes流程,
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負責處理高層次思考的區域,
04:46
including包含 reasoning推理, problem-solving解決問題
and good judgment判斷.
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會進行推理,問題解決
和良好的判斷。
04:51
In other words, the very type類型
of brain activity活動 that's responsible主管
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換句話說,這種
特殊型態的大腦活動,
04:54
for reining駕馭 in those impulsive浮躁
and often經常 risky有風險 behaviors行為
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負責管控各種青春期所特有的
04:59
that are so characteristic特性 of adolescence青春期
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衝動與危險行為,
05:02
and that are so terrifying可怕的
to us parents父母 of teenagers青少年.
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而這也是我們這些
青少年的父母所擔心的。
05:06
They know that like the rest休息 of us,
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他們知道,就像我們其他人一樣,
05:08
when teenagers青少年 don't
get the sleep睡覺 they need,
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當青少年缺乏所需要的充足睡眠時,
05:10
their brains大腦, their bodies身體
and behaviors行為 suffer遭受
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他們的大腦、身體和行為表現
都會受​​到立即、持續的影響。
05:14
with both immediate即時 and lasting持久 effects效果.
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05:17
They can't concentrate集中,
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他們無法集中精神,
05:19
their attention注意 plummets驟降
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他們的注意力下降,
05:21
and many許多 will even show顯示
behavioral行為的 signs跡象 that mimic模仿者 ADHD多動症.
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許多人甚至會出現
類似過動症的行為。
05:26
But the consequences後果 of teen青少年 sleep睡覺 loss失利
go well beyond the classroom課堂,
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但是,青少年睡眠不足的後遺症
不只發生在課堂學習,
05:30
sadly可悲的是 contributing貢獻 to many許多
of the mental心理 health健康 problems問題
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更遺憾的是導致了在青春期
05:34
that skyrocket平步青雲 during adolescence青春期,
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出現了許多精神健康問題,
包括物質濫用、
05:37
including包含 substance物質 use,
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憂鬱症和自殺等問題。
05:38
depression蕭條 and suicide自殺.
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05:42
In our work with teens青少年
from LALA Unified統一 School學校 District,
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在一項對於洛杉磯聯合學區
青少年所進行的研究,
05:45
we found發現 that teens青少年 with sleep睡覺 problems問題
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我們發現有睡眠問題的青少年當中,
05:47
were 55 percent百分 more likely容易
to have used alcohol in the past過去 month.
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有超過 55% 的人
在過去一個月曾經酗酒。
05:53
In another另一個 study研究 with over
30,000 high school學校 students學生們,
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另外一項針對三萬多名
高中生的研究發現,
每減少一小時睡眠時間,
05:57
they found發現 that
for each hour小時 of lost丟失 sleep睡覺,
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青少年的沮喪或無助感
會增加 38%,
06:00
there was a 38 percent百分 increase增加
in feeling感覺 sad傷心 or hopeless絕望,
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06:05
and a 58 percent百分 increase增加
in teen青少年 suicide自殺 attempts嘗試.
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自殺的傾向也增加了 58% 。
06:10
And if that's not enough足夠,
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影響還不止這些,
06:12
teens青少年 who skip跳躍 out on sleep睡覺
are at increased增加 risk風險
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忽視睡眠的青少年,
會有更高的機率罹患各種疾病,
06:15
for a host主辦 of physical物理 health健康 problems問題
that plague鼠疫 our country國家,
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06:19
including包含 obesity肥胖,
heart disease疾病 and diabetes糖尿病.
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包括肥胖、心臟病和糖尿病。
06:24
Then there's the risk風險
of putting a sleep-deprived睡眠剝奪 teen青少年,
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然後,對於一個睡眠不足的青少年,
當他剛剛考取駕照,駕駛著汽車時,
06:27
with a newly minted崛起 driver's司機 license執照,
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還會出現另一種風險。
06:30
behind背後 the wheel.
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06:32
Studies學習 have shown顯示 that getting得到 five hours小時
or less of sleep睡覺 per night
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研究顯示,每晚的睡眠時間
不到五個小時,
06:36
is the equivalent當量 of driving主動 with a blood血液
alcohol content內容 above以上 the legal法律 limit限制.
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就相當於血液中的酒精含量
超過法定標準的酒駕行為。
06:48
Advocates倡導者 of sleep-friendly睡眠友好 start開始 times,
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主張友善睡眠、
延後上學時間的倡導者,
以及這個領域的研究人員,
06:50
and researchers研究人員 in this area,
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06:52
have produced生成 tremendous巨大 science科學
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已經產出大量的科學證據,
06:55
showing展示 the tremendous巨大 benefits好處
of later後來 start開始 times.
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顯示延後上課時間具有巨大效益。
這些發現是很明確的,
06:58
The findings發現 are unequivocal明確的,
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07:01
and as a sleep睡覺 scientist科學家,
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身為一位睡眠科學家,
07:02
I rarely很少 get to speak說話
with that kind of certainty肯定.
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我很少說出如此肯定的結論。
07:07
Teens青少年 from districts
with later後來 start開始 times get more sleep睡覺.
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實施延後上課的地區,
青少年能得到更多的睡眠時間。
持反對意見者可能認為,
如果學校延後上課時間,
07:11
To the naysayers反對者 who may可能 think
that if schools學校 start開始 later後來,
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青少年也會較晚入睡;
07:14
teens青少年 will just stay up later後來,
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07:16
the truth真相 is,
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事實上,
07:18
their bedtimes就寢時間 stay the same相同,
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他們入睡的時間並未改變,
07:20
but their wake-up醒來 times get extended擴展,
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但是因為起床的時間延後了,
所以睡眠更為充足。
07:22
resulting造成 in more sleep睡覺.
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07:25
They're more likely容易 to show顯示 up for school學校;
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他們更願意到學校上課,
07:27
school學校 absences缺席 dropped下降
by 25 percent百分 in one district.
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其中一個地區的學校
曠課率下降了 25% 。
07:31
And they're less likely容易 to drop下降 out.
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因此學生更不會放棄課業。
07:34
Not surprisingly出奇,
they do better academically學術上.
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不出所料的,
他們的課業表現也更好。
07:37
So this has real真實 implications啟示
for reducing減少 the achievement成就 gap間隙.
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所以這也對於減少成績落差
帶來實際的效益。
07:42
Standardized標準化 test測試 scores分數
in math數學 and reading
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在數學和閱讀的標準化測驗中,
成績也提升了兩到三個百分點。
07:45
go up by two to three percentage百分比 points.
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07:48
That's as powerful強大 as reducing減少 class sizes大小
by one-third三分之一 fewer students學生們,
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效果相當於將班級學生人數
減少三分之一,
07:53
or replacing更換 a so-so一般般 teacher老師
in the classroom課堂
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或是以一位非常傑出的教師
07:57
with a truly outstanding優秀 one.
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取代原本教室裡的普通老師。
08:00
Their mental心理 and physical物理 health健康 improves提高,
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當學生的身心健康得到改善,
08:03
and even their families家庭 are happier幸福.
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甚至他們的家庭也會更加快樂。
08:05
I mean, who wouldn't不會 enjoy請享用 a little
more pleasantness愉悅 from our teens青少年,
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我的意思是,有誰不喜歡
讓我們的孩子擁有多一些快樂,
08:10
and a little less crankiness偏執?
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以及少一些任性、焦躁呢?
08:13
Even their communities社區 are safer更安全
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甚至,他們的社區變得更加安全,
08:14
because car汽車 crash緊急 rates利率 go down --
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因為車禍肇事率下降了——
其中一個地區甚至減少了 70% 。
08:17
a 70 percent百分 reduction減少 in one district.
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08:21
Given特定 these tremendous巨大 benefits好處,
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看到這麼多明顯的效益,
08:23
you might威力 think,
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您可能會認為,
08:25
well, this is a no-brainer沒腦子, right?
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這是個顯而易見的好主意,對吧?
那為什麼我們的社會
卻不響應這個提議呢?
08:27
So why have we as a society社會
failed失敗 to heed注意 this call?
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08:33
Often經常 the argument論據 against反對 later後來
start開始 times goes something like this:
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反對延後上課時間的論點
通常是這樣的:
08:38
"Why should we delay延遲
start開始 times for teenagers青少年?
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「為什麼要延後青少年的上課時間?
我們需要的是鍛鍊他們,
讓他們適應這個現實世界!」
08:40
We need to toughen鍛煉 them up
so they're ready準備 for the real真實 world世界!"
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08:44
But that's like saying
to the parent of a two-year-old二十歲,
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但是這種說法,就像是對著
一位兩歲幼兒的父母說:
08:47
"Don't let Johnny約翰尼 nap小憩,
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「不要讓強尼睡午覺,
08:48
or he won't慣於 be ready準備 for kindergarten幼兒園."
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否則他會無法適應幼兒園生活。」
(笑聲)
08:51
(Laughter笑聲)
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08:53
Delaying延遲 start開始 times also presents禮物
many許多 logistical後勤 challenges挑戰.
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延後上課時間,也面臨許多
日常營運上的挑戰。
08:57
Not just for students學生們 and their families家庭,
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不僅僅是對於學生和他們的家庭,
09:00
but for communities社區 as a whole整個.
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而是包含整個社區。
09:02
Updating更新 bus總線 routes路線,
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需要更改公車路線,
09:04
increased增加 transportation運輸 costs成本,
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增加各種交通成本,
影響課前與課後的
09:06
impact碰撞 on sports體育,
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運動時間與照顧服務。
09:07
care關心 before or after school學校.
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當延後上課時間引發爭論時,
09:10
These are the same相同 concerns關注
that come up in district after district,
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這些問題也會在愈來愈多的學區,
09:14
time and again around the country國家
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甚至是全國各地一再出現。
09:16
as school學校 start開始 times are debated辯論.
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09:19
And they're legitimate合法 concerns關注,
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這些關切是合理的,
09:22
but these are problems問題
we have to work through通過.
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但也都是我們必須克服的問題。
09:26
They are not valid有效 excuses藉口
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它們並不能成為失敗的藉口,
09:28
for failing失敗 to do the right thing
for our children孩子,
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去阻止我們為孩子作出正確的決定,
09:31
which哪一個 is to start開始 middle中間 and high schools學校
no earlier than 8:30am.
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也就是將國、高中延後到
早上八點半開始上課。
09:37
And in districts around the country國家,
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而在全國大大小小的學區當中,
09:39
big and small,
who have made製作 this change更改,
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當他們願意做出改變時,
他們會發現這些恐懼往往毫無根據,
09:42
they found發現 that these fears恐懼
are often經常 unfounded杞人憂天
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取而代之的是巨大的效益,
例如學生的健康、
09:46
and far outweighed抵銷 by the tremendous巨大
benefits好處 for student學生 health健康
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學業表現,
09:50
and performance性能,
176
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以及整體的公共安全。
09:52
and our collective集體 public上市 safety安全.
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09:56
So tomorrow明天 morning早上,
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所以在明天早上,
09:57
when coincidentally巧合 we get
to set our clocks時鐘 back by an hour小時
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我們不約而同的把鬧鈴時間
往後調一個小時,
10:03
and you get that delicious美味的
extra額外 hour小時 of sleep睡覺,
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你會多得到一個小時甜美的睡眠,
10:09
and the day seems似乎 a little longer,
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讓你感覺到這一天似乎更長了,
10:12
and a little more full充分 of hope希望,
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並且充滿了更多的希望。
10:14
think about the tremendous巨大 power功率 of sleep睡覺.
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想像一下睡眠帶來的巨大效益,
10:19
And think about what a gift禮品 it would be
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也想像一下,如果我們的孩子
能夠睡到自然醒,
10:22
for our children孩子 to be able能夠
to wake喚醒 up naturally自然,
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與他們自己的生理時鐘一致,
這將會是多麼珍貴的禮物。
10:26
in harmony和諧 with their own擁有 biology生物學.
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10:29
Thank you,
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謝謝,
祝大家有個愉快的好夢。
10:30
and pleasant愉快 dreams.
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Translated by Ting-Chih Liang
Reviewed by Claire Wei

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ABOUT THE SPEAKER
Wendy Troxel - Sleep researcher
Wendy 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.

More profile about the speaker
Wendy Troxel | Speaker | TED.com

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