Sleep. The recommendation is always 7-9 hours of *sleep*. 7-9 hours of laying in...

dpark on Jan 2, 2019 | parent | context | favorite | on: Why We Sleep, and Why We Often Can’t

Sleep. The recommendation is always 7-9 hours of sleep. 7-9 hours of laying in bed is not healthy or restful if you’re only sleeping for 3 hours of that time.