Tag: Biphasic
Biphasic sleep: In the Middle Ages, people slept twice a night
Biphasic sleep For centuries people slept in two phases – and got up in the middle of the night For a long time, people understood a good night’s sleep differently…
Biphasic sleep For centuries people slept in two phases – and got up in the middle of the night For a long time, people understood a good night’s sleep differently…