Yeah, in fact there’s a lot of evidence that biphasic/segmented sleep was quite common through history.
It isn’t really until the industrial revolution and long artificially strict working days that things shifted towards a single longer sleep period being more common.
Yeah, in fact there’s a lot of evidence that biphasic/segmented sleep was quite common through history.
It isn’t really until the industrial revolution and long artificially strict working days that things shifted towards a single longer sleep period being more common.
2nd sleep