Side effects of Sleeping 3 times each 3 hours vs sleep of 8 hours in night,
In: Biology
Originally humans slept in a two part night first sleep was about 4 hours then a two hour wake for bathroom and other bodily “necessities”. It stopped because of the electricity. Since we could light up the dark more easily and wide spread we could stay up later. I don’t remember where I saw but I think they did studies that with only natural lighting we would eventually go back to that.
Edit: adding link
https://www.healthline.com/health/biphasic-sleep#biphasic-vs.-polyphasic
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