My belief that sleep is useless and people saying that "you need to sleep 8 hours/night" are just signaling their good habits/success/etc is vindicated: https://www.sciencedirect.com/science/article/pii/S1087079218300741 …pic.twitter.com/3ZyQBsg0E1
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I wouldn't be super surprised if, in a multi-month solo retreat context where my schedule was easy to control, I found myself on a 4.5h+2nap or maybe even 3h+3nap schedule, and that were relatively sustainable. 3nap probably suboptimal, but 2nap might be as workable as 1nap.
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