Agreed, perhaps there's a lot we can learn from their experiment. For example, by not using artificial lighting do they have a habit of "two sleeps" like our an

Agreed, perhaps there's a lot we can learn from their experiment. For example, by not using artificial lighting do they have a habit of "two sleeps" like our ancestors did? https://www.bbc.com/future/article/20220107-the-lost-medieval-habit-of-biphasic-sleep https://www.bbc.com/future/article/20220107-the-lost-medieva...