To think that if I'd lived in the 17th century my behavior would be
considered normal...
... well ... some of it at least, had I survived several different
violent forms of persecution.
It is not unusual for me to wake in the middle of the night, often
with some insight or other, and work for a few hours before going
back to bed.
BBC article, from 2/22/2012, on sleep. Good reading for night-owls and others.
The myth of the eight-hour sleep
http://www.bbc.co.uk/news/magazine-16964783
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Ben Liberman