Why Humans Are Supposed to Sleep in Two 4-Hour Phases
- Episode aired Aug 12, 2021
- 6m
When A. Roger Ekirch went to the trouble to look he found a multitude of references to polyphasic sleep patterns in pre-industrial societies. That is a sleep schedule before the invention of... Read allWhen A. Roger Ekirch went to the trouble to look he found a multitude of references to polyphasic sleep patterns in pre-industrial societies. That is a sleep schedule before the invention of the light bulb when sleepers wake for a couple hours after about four hours sleep then go... Read allWhen A. Roger Ekirch went to the trouble to look he found a multitude of references to polyphasic sleep patterns in pre-industrial societies. That is a sleep schedule before the invention of the light bulb when sleepers wake for a couple hours after about four hours sleep then go back to sleep for another four hours. So people slept just like animals before we decided... Read all