結果 : how much sleep does a 3 year old 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?

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Science Explains How Much Sleep You Need Depending on Your Age

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FirstCry Parenting
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How many hours of sleep a night do I need?

Columbia University Irving Medical Center
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How Much Sleep Do Kids Need? | Dad University

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Mount Sinai Health System
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Sleep Is The Foundation
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The Oregon Clinic
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Not enough sleep may harm children’s developing brains

WXYZ-TV Detroit | Channel 7
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How Much Sleep Do Children Need? | Insomnia

Howcast
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Three tips to help your child sleep better - Stanford Children's Health

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Sleep Strategies: For the 18 to 36 Month Old Child | NorthBay Health

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

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How to help your child get a good sleep

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