結果 : how can i tell if i slept
2:03

How To Tell If You're Sleep Deprived

Insider Tech
392,459 回視聴 - 7 年前
4:52

Do You Have Sleep Apnea? Here's How to Tell

Sleep Is The Foundation
106,220 回視聴 - 2 年前
2:45

What happens when we sleep?

The Economist
10,339,727 回視聴 - 5 年前
2:05

How Sleep Deprived Are You? | Brain Games

National Geographic
285,242 回視聴 - 9 年前
5:09

What Your Sleeping Position Says About You

Psych2Go
1,653,403 回視聴 - 4 年前
2:55

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

TED
670,860 回視聴 - 4 年前
2:33

Easy At-Home Test To Diagnose Sleep Apnea

CBS New York
657,571 回視聴 - 7 年前
1:00

The Sleep Test

In59seconds
12,350,887 回視聴 - 10 年前

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0:43

Adorable Kittens March Nico And Parker Sleeping On Tree! 😻

Guillory Family
470 回視聴 - 2 日前
10:53

7 Signs You Have Sleep Apnea & What to Do About It

Bob & Brad
281,316 回視聴 - 5 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,516,533 回視聴 - 10 年前

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6:38

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

TED
2,087,049 回視聴 - 6 年前
4:48

Sleep Apnea, Causes,Signs and Symptoms, DIagnosis and Treatment.

Medical Centric
436,355 回視聴 - 3 年前
1:01

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

WCNC
148,523 回視聴 - 4 年前
1:59

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

TED
416,010 回視聴 - 3 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
117,250 回視聴 - 11 年前
9:38

Insomnia: why can't I sleep?

The Guardian
585,975 回視聴 - 5 年前
5:21

Sleep | How to Sleep Fast at Night

Nurse Sarah Jeffries
1,119,302 回視聴 - 2 年前
3:26

What Happens To Your Brain If You Don't Sleep

Psych2Go
170,615 回視聴 - 2 年前
5:00

The Danger of Sleeping Too Much

The Wall Street Journal
187,312 回視聴 - 12 年前