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Humans Sleep Less, Better Than Other Mammals

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Member: MaestroSersea  
videos: 1117     subscribers: 0     channels: 1
Description: Researchers say human sleep is better than other mammals. This began in the Stone Age, according to a new study.rnOriginally published at - http://learningenglish.voanews.com/media/video/humans-sleep-less-better-than-other-mammals/3137359.html
Category: Health and Medicine
Tags: Humans Sleep Less Better Than Other Mammals
Added: Jan 17, 2016 Runtime: 0 min 0 sec
Views: 906  |  Downloads: 0  |  Favorited: 0

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