A member asked:

Why does sleeping 7-8 hours / night but during opposite cycle (4am-11am) have negative effects on health? (i.e. anxiety, malaise, depression, etc).

A doctor has provided 1 answer

Delayed phase Sleep: Disorder. This often worsens depression, but I am not convinced that we know exactly why, other than that there is a misalignment between biological nighttime and your sleep time which causes major hormonal systems to be out of synch.

Answered 10/7/2013

4.8k views

Thank

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