I heard that in nature, humans were getting up when the sun raises , does that mean that they were sleeping much longer on winter?

Question

I heard that in nature, humans were getting up when the sun raises , does that mean that they were sleeping much longer on winter?

In: 2669

Answer 1

Humans didn’t use to sleep all night. There were 2 sleeps.

[https://www.bbc.com/future/article/20220107-the-lost-medieval-habit-of-biphasic-sleep](https://www.bbc.com/future/article/20220107-the-lost-medieval-habit-of-biphasic-sleep)