Interesting experiment, thanks for sharing. Original polyphasic sleep was divided into two periods of night sleep. The historical evidence shows this was consi

Interesting experiment, thanks for sharing. Original polyphasic sleep was divided into two periods of night sleep. The historical evidence shows this was considered normal in most pre-industrial societies. http://www.historycooperative.org/journals/ahr/106.2/ah000343.html http://www.historycooperative.org/journals/ahr/106.2/ah00034...