結果 : how much sleep is too much for a 15 year old
2:55

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

TED
646,355 回視聴 - 4 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
98,670 回視聴 - 11 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,498,644 回視聴 - 6 年前
6:25

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

Better Than Yesterday
389,930 回視聴 - 5 年前
2:01

Why is my teenager always tired? How much sleep should they get?

IntermountainParents
4,605 回視聴 - 11 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
753,607 回視聴 - 7 年前
1:38

Sleep Time & Age

AllHealthGo
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3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,482,008 回視聴 - 10 年前
5:31

Excess Sleep - Causes, Effects & Solutions I Dr. Medha Kapoor, PhD

Dr. Medha Kapoor, PhD
178,136 回視聴 - 5 年前
3:33

How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster

Deep Dive with Ali Abdaal
54,217 回視聴 - 1 年前
5:09

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

The Yoga Institute
236,710 回視聴 - 7 年前
1:58

Why Do I Feel So Sleepy Despite Having Enough Sleep? – Dr. Berg

Dr. Eric Berg DC
64,089 回視聴 - 7 年前
5:15

How Much Sleep Do I Need? | Sadhguru

Sadhguru
1,414,169 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
446,527 回視聴 - 7 年前
1:01

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

WCNC
138,530 回視聴 - 4 年前
2:14

Can you get too much sleep?

CBS News
2,933 回視聴 - 11 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,120,583 回視聴 - 8 年前
1:52

I Sleep Too Much What Can I Do? | This Morning

This Morning
19,333 回視聴 - 6 年前
0:43

How much will my newborn sleep? - Boys Town Pediatrics

BoysTownHospital
152,725 回視聴 - 9 年前
1:39

How old is too old for your child to sleep in bed with you? Expert advice for parents

WKYC Channel 3
41,748 回視聴 - 2 年前