結果 : is 4 hours of deep sleep enough
1:58

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

Insider Tech
438,141 回視聴 - 6 年前
6:38

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

TED
2,006,093 回視聴 - 6 年前
2:55

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

TED
618,210 回視聴 - 3 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
78,578 回視聴 - 11 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
737,249 回視聴 - 7 年前
9:41

REM Sleep - How Much Sleep Do You Need

Doctor Mike Hansen
145,295 回視聴 - 4 年前
22:56

What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?

Dr. Sten Ekberg
194,194 回視聴 - 1 年前
3:01

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

Thomas DeLauer
219,836 回視聴 - 8 年前
1:51

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

This Morning
48,569 回視聴 - 5 年前
0:51

4 Hours of Sleep Is Enough

Sadhguru
583,864 回視聴 - 11 か月前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,089,701 回視聴 - 8 年前
5:51

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

CBS Mornings
249,683 回視聴 - 6 年前
12:29

I Decided to Sleep for 4 Hours a Day, See What Happened

BRIGHT SIDE
9,773,337 回視聴 - 6 年前
2:45

What happens when we sleep?

The Economist
10,200,411 回視聴 - 5 年前
4:50

What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body

Insider Tech
6,637,372 回視聴 - 6 年前
5:09

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

The Yoga Institute
225,480 回視聴 - 7 年前
2:18

Are naps actually good for us? | Sleeping with Science

TED
529,975 回視聴 - 2 年前
4:15:51

Instant Calm, 4 hour Deep Sleep Music, Healing Meditation Music, Insomnia, Sleep, Study Music, Zen

Sleep Easy Relax - Keith Smith
328,394 回視聴 - 3 年前
11:43

How to Stop Waking Up in the Middle of the Night- 6 Ways to Beat Insomnia Without Medication

Therapy in a Nutshell
1,783,688 回視聴 - 2 年前
5:27

How to Get More REM Sleep

Dr. Eric Berg DC
342,900 回視聴 - 2 年前