結果 : how much sleep do different ages need
2:55

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

TED
641,982 回視聴 - 4 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
95,573 回視聴 - 11 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
751,228 回視聴 - 7 年前
3:54

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

TED
2,885,636 回視聴 - 1 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,496,477 回視聴 - 6 年前
4:04

The science of how much sleep you actually need

Insider Tech
469,537 回視聴 - 6 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,477,089 回視聴 - 10 年前
1:58

How much sleep do you really need? (S1) | The Power of Good Health

Mount Sinai Health System
65,708 回視聴 - 7 年前
1:00

5 Unlocking the Secrets of Baby Sleep A Mindset Shift Approach #fourthtrimester

DeannaVanPyrz
540 回視聴 - 2 日前
6:38

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

TED
2,042,286 回視聴 - 6 年前
4:39

Why some people can thrive on less sleep – BBC REEL

BBC Global
53,402 回視聴 - 2 年前
1:11

How Much Sleep Do Children Need? | Insomnia

Howcast
32,776 回視聴 - 10 年前
5:09

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

The Yoga Institute
235,100 回視聴 - 7 年前
1:58

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

Insider Tech
445,447 回視聴 - 7 年前
1:54

How Sleep Affects Your Brain

Dana Foundation
290,116 回視聴 - 3 年前
9:41

REM Sleep - How Much Sleep Do You Need

Doctor Mike Hansen
149,827 回視聴 - 4 年前
7:54

Why Getting the 8th Hour of Sleep Matters

Hypertroph
120,435 回視聴 - 3 年前
5:51

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

CBS Mornings
261,388 回視聴 - 6 年前
6:25

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

Better Than Yesterday
388,591 回視聴 - 5 年前
6:12

How much Sleep do you Actually Need?

Apna College
401,355 回視聴 - 2 年前