A member asked:

Might having a few hours of sleep per night be dangerous to your health?

A doctor has provided 1 answer

Delta phase sleep: There are several phases of sleep and one of the most important levels for maximum rest and renovation is delta phase. This is the deepest level of sleep in which hgh (human growth hormone) is released and in adults provides one of the most potented hormones that naturally helps prevent tissue and organ breakdown. It may be that you have a sleep disorder preventing this level of sleep.

Answered 12/9/2013

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