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Natural Sleep and Its Seasonal Variations in Three Pre-Industrial Societies

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Natural Sleep and Its Seasonal Variations in Three Pre-Industrial Societies

#1

Post by jeeshan » Sun, Oct 18, 2015, 7:15 PM UTC

Natural Sleep and Its Seasonal Variations in Three Pre-Industrial Societies
cell.com

Re: Natural Sleep and Its Seasonal Variations in Three Pre-Industrial Societies

#2

Post by dang » Sun, Oct 18, 2015, 7:19 PM UTC

Lots of submissions about this recently, including https://news.ycombinator.com/item?id=10397408 and https://news.ycombinator.com/item?id=10401640.

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