Sleep time in hunter-gatherer groups on low end of scale

People in preindustrial societies may have less insomnia but no more shut-eye, study finds

hunter gatherers

REST UP  Hunter-gatherers, like the Hadza shown here, sleep about as much as people in postindustrial societies do — and maybe even a little less.  

Joey Roe/Wikimedia Commons (CC BY-SA 3.0)

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