The myth of the eight-hour sleep

The myth of the eight-hour sleep Interrupted Sleep Might Be the Best Kind — www.bbc.co.uk/news/magazine-16964783 — Early last year, the BBC News reported that people slept in two shifts, with a one to two hour break between them, throughout our history until the advent of street lights and the beginning of the industrial revolution. It seems that many of our sleep-related health issues are linked to this loss this interrupted sleep pattern.
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