What the author does is something people used to do in the past. http://en.wikipedia.org/wiki/Segmented_sleep http://en.wikipedia.org/wiki/Segmented_sleep htt

What the author does is something people used to do in the past. http://en.wikipedia.org/wiki/Segmented_sleep http://en.wikipedia.org/wiki/Segmented_sleep http://www.guardian.co.uk/commentisfree/2012/feb/24/sleep-twice-a-night-anxiety http://www.guardian.co.uk/commentisfree/2012/feb/24/sleep-tw...