Saved by Johanna and
Can Medieval Sleeping Habits Fix America’s Insomnia?
The "8 hours of sleep" rule is based on ZERO evidence.
Ancient humans slept in two distinct phases, not one long stretch.
Here's the shocking truth about how you should really be sleeping: https://t.co/ayBYYsKta6
With artificial light, we believe we defeat the sleep-wake cycle; with climate control, the seasonal cycle; with refrigeration, the agricultural cycle; and with high-tech medicine, the rest-recovery cycle. Triumphal linearism has shaped the very style of Western and (especially) American civilization. Before, when cyclical time reigned, people... See more
William Strauss • The Fourth Turning
In At Day's Close, the historian A. Roger Ekirch argues that, before the industrial revolution, it was normal to divide the night into two periods of sleep: the 'first’, or 'dead', sleep, lasting from the evening until the early hours of the morning; and the 'second', or morning', sleep, which took the slumberer safely to daybreak. In between,
... See more