A member asked:

How many hours of sleep does an active 20 year old need?

3 doctors weighed in across 2 answers
Dr. John Van der Werff answered

Specializes in Dentistry

At least 7 hours: The average is between 6 to 8 hours and ideal is 7. But these are averages and there can be some variation. If you wake up feeling refreshed you should be ok.

Answered 2/26/2017

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Dr. John Thaler answered

Specializes in Prosthodontics

8-9: Everyone needs 8 hours -- so say the experts. Many say 8 - 9. There is research going on to see if there is a limit beyond which too much sleep is actually detrimental. Rule of thumb for now : 8 - 9 hours.

Answered 3/26/2013

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