結果 : how much sleep does each age group need
2:55

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Science Explains How Much Sleep You Need Depending on Your Age

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Science Explains How Much Sleep You Need Depending on Your Age

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How lack of sleep affects different age groups | Ohio State Medical Center

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Sleep and Aging - Research on Aging

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3:54

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

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How much sleep do kids really need?

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The science of how much sleep you actually need

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'Sleep age' can determine longterm health | 90 Seconds w/ Lisa Kim

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Stanford Sleep Clinic's Dr. Rachel Manber Discusses Sleeping Well as We Age

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1:01:09

Sleep and Healthy Aging | Michael Grandner, PhD

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