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A comment on Thomas Edison and the Cult of Sleep Deprivation. Parent comment

Re:Thomas Edison and the Cult of Sleep Deprivation by rayiner on Thursday May 15, 2014 @09:09AM (#7749161)
About 1-3% of the population needs 5 hours or less of sleep: http://online.wsj.com/news/articles/SB1000142405274870371250....
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