Theories of human sleep still seem very speculative. I sometimes wonder if there's some function of sleep that's essential to higher intelligence. And if AGIs would need a similar function? 
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Replying to @michael_nielsen
One of the biggest mysteries to me is why some people need much less sleep without apparent adverse effects. Why didn’t evolution select for this trait?
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Replying to @patrickc @michael_nielsen
Evolution generally speaking optimizes for not dying and reproducing (ok that’s only mostly true), not necessarily optimum performance
12:32 PM - 27 Dec 2017
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