結果 : is it ok to sleep late once in a while
1:28

Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF

SELF
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0:41

How many hours of sleep a night do I need?

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6:25

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

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1:54

Best and Worst Times to Sleep

TechnionSociety
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1:59

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

TED
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3:28

Sleep study suggests bad news for night owls

KXAN
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3:58

What Happens to Your Body on Little Sleep?

ABC News
1,116,122 回視聴 - 8 年前
2:45

What happens when we sleep?

The Economist
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1:58

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired

Insider Tech
445,268 回視聴 - 7 年前
1:30

Can You Catch Up on Lost Sleep?

BrainLine
40,860 回視聴 - 10 年前
2:41

How To Survive A Day On No Sleep

Seeker
918,152 回視聴 - 10 年前
5:51

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

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260,987 回視聴 - 6 年前
4:56

Tips to recover after a terrible night's sleep

11Alive
42,906 回視聴 - 6 年前
12:54

What Would Happen if You Only Got 5 Hours of Sleep Per Night - NOT GOOD!

Dr. Eric Berg DC
476,443 回視聴 - 9 か月前
1:01

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

WCNC
135,264 回視聴 - 4 年前
9:38

Insomnia: why can't I sleep?

The Guardian
556,024 回視聴 - 5 年前
15:52

How To Fix Your Sleep Schedule - Reset Your Sleep Pattern (animated)

Better Than Yesterday
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1:51

How eating before bed affects sleep

Click On Detroit | Local 4 | WDIV
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3:13

How Some People Can Sleep Through Anything

Seeker
260,826 回視聴 - 9 年前
2:55

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

TED
641,194 回視聴 - 4 年前