by Patrick Appel
Science reports:
Don't hate those people who are perky and efficient after only a few hours of sleep. They can't help it. New research suggests that a genetic mutation may explain why some people sleep less.
I suspected as much.
(Hat tip: 3QD)
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2009/08/-early-risers-are-mutants/197329/
