Posted by Sigismund on February 17, 2008, at 14:38:53
In reply to Re: Modern Sleep, Light, and Mood Disorders, posted by johnj on February 13, 2008, at 12:18:39
I remember reading somewhere that long ago, people would go to bed and rise with the sun, and have a period of wakefulness in the middle of the night when they did stuff around the cave for a few hours, then off to bed again.
The world would have been mostly very quiet then too.
poster:Sigismund
thread:812370
URL: http://www.dr-bob.org/babble/20080207/msgs/813283.html