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A comment on Snorting a Brain Chemical Could Replace Sleep. Parent comment

Re:Snorting a Brain Chemical Could Replace Sleep by astrodust on Tuesday March 01, 2011 @11:58PM (#2278520)
Unless, of course, stumbling about in the dark and unable to see while bored out of your skull because you can't sleep posed some sort of risk.
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Re:Snorting a Brain Chemical Could Replace Sleep by bpodgursky on Wednesday March 02, 2011 @01:06AM (#2278638)
Owls and lots of cats have no trouble seeing at night, and still sleep for half the day. I can't think of any organism with high-level cognitive ability that doesn't sleep.
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