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You don’t really need 8 hours of sleep.


Stashed in: Sleep!, #health, Awesome, Sleep, Anthropology!

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Cool cross-cultural study shows that even people who live without artificial light do not sleep more than about 6.5 hours a night. Also suggests that subjects of previous studies reported the amount of time they stayed in bed rather than actually slept.

After spending several years collecting data on the sleep habits of modern hunter-gatherer tribes in Africa and South America, a team of sleep scientists found that people living a pre-industrial lifestyle got less than the seven to nine hours experts usually prescribe:

http://smithsonianmag.com/smart-news/hunter-gatherers-need-less-seven-hours-sleep-180956953/

http://theatlantic.com/science/archive/2015/10/the-many-myths-of-paleo-sleeping/410707/

That said, I wish I could learn to live with less sleep.Β 

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