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A comment on Evidence that birds sleep in mid-flight. Parent comment

Re:Evidence that birds sleep in mid-flight by visarga on Thursday October 27, 2016 @03:21PM (#12808759)
It functions as a regularizer in learning and reduces unnecessary energy use.
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Re:Evidence that birds sleep in mid-flight by stucat on Thursday October 27, 2016 @03:52PM (#12809180)
While those are benefits of sleep, I don't believe we consider them to be the reason we sleep.
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