That sleep "problem" may not be a problem; plenty of evidence suggests that before we invented electric lights, segmented sleep was the norm. These links might

That sleep "problem" may not be a problem; plenty of evidence suggests that before we invented electric lights, segmented sleep was the norm. These links might get you started on the topic: https://www.sciencealert.com/humans-used-to-sleep-in-two-shifts-maybe-we-should-again https://www.sciencealert.com/humans-used-to-sleep-in-two-shi... https://www.medievalists.net/2016/01/how-did-people-sleep-in-the-middle-ages/ https://www.medievalists.net/2016/01/how-did-people-sleep-in...