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A member asked:

Can a 21 year old temporarily function on 4 hours sleep?

A doctor has provided 1 answer
Dr. Kevin O'neil answered

Specializes in Urogynecology

Yes: Most people need 7-9 hours of sleep each night. Sleeping 4 hours one night will allow you to function, but at less than 100%.

Dr Livingston agreed

Answered 4/14/2016

5.7k views

Thank

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