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A comment on Sleep is essential – researchers are trying to work out why. Parent comment

Re:Sleep is essential – researchers are trying to work out why by Noumenon72 on Thursday April 10, 2025 @12:07PM (#43645314)
I have spent months at a time getting 7-8 (amid years of 5-6). I never notice any difference and am actually surprised my body can do 7-8 to no purpose.
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Re:Sleep is essential – researchers are trying to work out why by bpodgursky on Thursday April 10, 2025 @03:06PM (#43647094)
From the perspective of evolution there's a purpose... burn fewer calories in the dark when there's nothing else to do.

The question is whether it still matters in the modern era.

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