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A member asked:

Is it true that doctors and scientists don't actually know what sleep is? i.e. they can list its specs & what it does, but can't precisely define it?

A doctor has provided 1 answer
Dr. Pamela Pappas answered

Specializes in Psychiatry

No: There are many features of sleep which can be measured, explored, and debated. Two relatively simple definitiosn: http://medical-dictionary.Thefreedictionary.Com/sleep and http://www.Merriam-webster.Com/medlineplus/sleep.

Dr Ali agreed

Answered 12/9/2013

5.3k views

Thank

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