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

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

TED
620,436 回視聴 - 3 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,485,056 回視聴 - 6 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
80,227 回視聴 - 11 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
738,744 回視聴 - 7 年前
2:01

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

IntermountainParents
4,347 回視聴 - 11 年前
3:33

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

Deep Dive with Ali Abdaal
46,188 回視聴 - 1 年前
7:54

HOW MUCH SLEEP YOU ACTUALLY NEED? (As Per Science)

Hypertroph
111,993 回視聴 - 3 年前
2:16

Ask Dr. Nandi: Do you really need less sleep as you age?

WXYZ-TV Detroit | Channel 7
3,314 回視聴 - 5 年前
6:18

How Many Hours of Sleep Do Children Need?

FirstCry Parenting
31,252 回視聴 - 2 年前
4:56

Science Explains How Much Sleep You Need Depending on Your Age

Better Life
6,841 回視聴 - 3 年前
5:09

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

The Yoga Institute
226,683 回視聴 - 7 年前
6:12

How much Sleep do you Actually Need?

Apna College
395,121 回視聴 - 2 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,456,405 回視聴 - 9 年前
6:49

How Much Sleep Do Kids Need? | Dad University

Dad University
3,499 回視聴 - 4 年前
2:23

How Much Sleep Do We Need?

University of California Television (UCTV)
21,634 回視聴 - 5 年前
1:58

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

Insider Tech
438,992 回視聴 - 6 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,092,416 回視聴 - 8 年前
3:56

1097:💤 ഓരോ പ്രായത്തിലും എത്ര മണിക്കൂർ വീതം ഉറങ്ങണം? How much sleep we need per day?

Dr Danish Salim's Dr D Better Life
28,689 回視聴 - 1 年前
5:15

How Much Sleep Do I Need? | Sadhguru

Sadhguru
1,408,565 回視聴 - 7 年前
0:27

Do people really need 8 hours of sleep?

Cobra Mentorship
311,475 回視聴 - 1 年前