it is not hard to find societies that do not sleep in two four-hour blocks, you see, that is /also/ a social construct
@nithgrim If the four-hour blocks thing is true, why don't people usually wake up after four hours of sleep?
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@MemberOfSpecies i think they say it is because people don't have time for it, or rather, that is the least bad response i can think of -
@nithgrim I mean, why don't their brains automatically wake up after four hours and stay asleep instead? Have they learned they shouldn't? - 2 more replies
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