Some people are able to function with far less than the recommended seven or eight hours of sleep a night. "Short sleepers" make up just a small percentage of the population and are more energized than regular sleepers ? but that's not all.
Source: http://www.npr.org/2011/04/16/135450214/eight-is-too-much-for-short-sleepers?ft=1&f=1007
politics and the english language politics.com cnn politics enter politic soft
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