結果 : should i sleep in the day
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
117,189 回視聴 - 11 年前
2:55

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

TED
670,738 回視聴 - 4 年前
5:09

Yoga Guru - Hansaji | How many hours should you sleep?

The Yoga Institute
243,866 回視聴 - 7 年前
5:57

Best Time of Day To Eat, Sleep And Exercise According To Ayurveda | Plan Your Dailly Routine

The Yoga Institute
1,523,281 回視聴 - 1 年前
3:54

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

TED
3,275,630 回視聴 - 2 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,516,427 回視聴 - 10 年前
3:12

Should I SLEEP in The Afternoon ?

Health Chronicle
122,855 回視聴 - 7 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
765,976 回視聴 - 7 年前

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0:39

The Importance of Sunlight for Sleep-Wake Rhythms

Lord Solo
663 回視聴 - 2 日前
2:41

How To Survive A Day On No Sleep

Seeker
942,584 回視聴 - 10 年前
2:45

What happens when we sleep?

The Economist
10,339,506 回視聴 - 5 年前
1:51

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

This Morning
55,149 回視聴 - 6 年前
2:18

How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor

wikiHow
136,916 回視聴 - 4 年前
13:24

My Evidence-Based Sleep Routine

Ali Abdaal
1,506,337 回視聴 - 1 年前
3:01

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

Thomas DeLauer
262,534 回視聴 - 9 年前
15:52

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

Better Than Yesterday
2,365,592 回視聴 - 6 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
127,414 回視聴 - 14 年前
6:23

Best Time To Sleep - How Not Sleeping in the Right Hour Affects Your Health

Dr. Alex Hui
566,819 回視聴 - 4 年前
9:38

Insomnia: why can't I sleep?

The Guardian
585,895 回視聴 - 5 年前
1:28

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

SELF
230,460 回視聴 - 10 年前