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by sockpuppet_12 1475 days ago
A really good book about circadian rhythms called "Life Time" was just released. Fascinating read if you're interested in it and it goes into details about the way we got to the western model of sleep. And challenges some of the assumptions that sleep must be continuous throughout the night to be good sleep.

Was interesting to read that in the middle ages their literature and records referenced a "first sleep" and "second sleep" in which it was common for people to sleep after dinner, get up again, do some things, and then sleep till morning!