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

2 points by jeeshan 10y ago ↗ HN

1 comment

[ 2.4 ms ] story [ 17.5 ms ] thread

dang 10y ago ↗

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