People in industrialised societies seem to sleep for longer than those in non-industrialised ones, but their circadian rhythms are more out of sync
Več na: https://www.newscientist.com/article/2469899-hunter-gatherers-get-less-sleep-than-people-in-industrial-societies/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news
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