結果 : can u sleep for too long
2:27

Can You Get Too Much Sleep?

SciShow
542,395 回視聴 - 8 年前
2:55

How much sleep do you really need? | Sleeping with Science, a TED series

TED
672,291 回視聴 - 4 年前
6:25

Can You Sleep Too Much? (The Answer Might Surprise You)

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0:55

How Long Can Someone Sleep For? #shorts #DearBlocko

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674,606 回視聴 - 2 年前
3:54

Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

TED
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3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
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2:18

How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor

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137,337 回視聴 - 4 年前
4:35

What would happen if you didn’t sleep? - Claudia Aguirre

TED-Ed
14,311,430 回視聴 - 9 年前
1:58

Why Do I Feel So Sleepy Despite Having Enough Sleep? – Dr. Berg

Dr. Eric Berg DC
69,460 回視聴 - 7 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
118,488 回視聴 - 11 年前
2:45

What happens when we sleep?

The Economist
10,342,730 回視聴 - 5 年前
2:41

How To Survive A Day On No Sleep

Seeker
944,585 回視聴 - 10 年前
7:05

Do Depressed People Need More Sleep? How To Do Wake Therapy

Dr. Tracey Marks
120,927 回視聴 - 5 年前
1:01

Why you're still tired after getting 8 hours of sleep

WCNC
149,186 回視聴 - 4 年前
3:01

How to Sleep Less and Get More Out of Your Day- Thomas DeLauer

Thomas DeLauer
263,667 回視聴 - 9 年前
0:28

How to Improve Your Sleep

Gohar Khan
21,307,811 回視聴 - 1 年前
1:59

How to deal with your insomnia — and finally get to sleep | Sleeping with Science

TED
418,598 回視聴 - 3 年前
0:27

Don't sleep on your back!

YOGABODY
529,486 回視聴 - 1 年前
0:52

Sleep Paralysis Is Terrifying & Preventable

Doctor Mike
4,161,774 回視聴 - 3 年前
2:22

How Smartphones Affect Your Sleep

Insider Science
1,803,429 回視聴 - 9 年前