3 ms·
Our ancestors used to go to bed earlier and wake up in the middle of the night for a while before going back to sleep. Our schedules and concept of 'normal' (ve
by hammyhavoc 4y ago
Our ancestors used to go to bed earlier and wake up in the middle of the night for a while before going back to sleep. Our schedules and concept of 'normal' (versus 'natural') has changed drastically.
- gameswithgo 4y ago
- shagie 4y agoFor more info on the two sleeps: The forgotten medieval habit of 'two sleeps' -- https://www.bbc.com/future/article/20220107-the-lost-medieval-habit-of-biphasic-sleep https://www.bbc.com/future/article/20220107-the-lost-medieva... and the HN post: https://news.ycombinator.com/item?id=29886907 https://news.ycombinator.com/item?id=29886907 And Wikipedia: https://en.wikipedia.org/wiki/Biphasic_and_polyphasic_sleep https://en.wikipedia.org/wiki/Biphasic_and_polyphasic_sleep