結果 : why can't i sleep for longer
1:51

I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning

This Morning
55,303 回視聴 - 6 年前
9:38

Insomnia: why can't I sleep?

The Guardian
587,463 回視聴 - 5 年前

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0:35

Doctor Explains Why You DON’T Need 8 Hours Sleep!

Dr Karan
3,247,853 回視聴 - 1 年前
0:55

How to Solve Insomnia #sleep #sleeptips #sleeping #sleepy

Precision Nutrition
708,972 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
3,293,041 回視聴 - 2 年前
6:38

The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

TED
2,089,026 回視聴 - 7 年前
2:45

What happens when we sleep?

The Economist
10,342,707 回視聴 - 5 年前

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3:47

Ty Myers - Can't Hold Me Down (Official Video)

Ty Myers
2,264 回視聴 - 7 時間前
5:29

6 tips for better sleep | Sleeping with Science, a TED series

TED
2,245,285 回視聴 - 4 年前
4:35

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

TED-Ed
14,311,411 回視聴 - 9 年前

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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
2:55

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

TED
672,277 回視聴 - 4 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
118,458 回視聴 - 11 年前
1:01

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

WCNC
149,186 回視聴 - 4 年前
1:17

How to fall back asleep in the middle of the night

Insider Tech
260,657 回視聴 - 8 年前
3:13

How Some People Can Sleep Through Anything

Seeker
268,143 回視聴 - 9 年前
2:41

How To Survive A Day On No Sleep

Seeker
944,582 回視聴 - 10 年前
0:23

😴 5 Reasons Why You Can’t Sleep! #sleeping #sleep #insomnia #health

Health With Cory
451,081 回視聴 - 2 年前
5:51

How lack of sleep affects health and tips for a good night's rest

CBS Mornings
272,668 回視聴 - 7 年前