結果 : how much sleep does a 10 year old boy need
1:31

How much sleep do kids really need?

CBS News
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0:57

Mayo Clinic Minute: How much sleep do kids need?

Mayo Clinic
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Science Explains How Much Sleep You Need Depending on Your Age

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Columbia University Irving Medical Center
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How many hours of sleep do you need?

Mount Sinai Health System
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Not enough sleep may harm children’s developing brains

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The Oregon Clinic
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Sleep Strategies: For the 9 to 18 Month Old Child | NorthBay Health

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Science Explains How Much Sleep You Need Depending on Your Age

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NewYork-Presbyterian Hospital
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How much sleep does my 1 year old need?

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How long should my toddler sleep at night and at nap time?

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