Humans, the non-sleeping primates

What? Humans sleep ONLY 7 hours a day…these hairless monkeys are crazy!

As a recent mom, I can attest to the fact that at least some humans don’t quite get enough sleep, but the thing is, independently of why my baby thinks sleep is for cowards, in a new article researchers Charles Nunn and David Charles, have shown by comparing sleep patterns of 30 species of primates that while most species get between 9-12 hours of shut-eye a day, we humans average a meagre 7 hours (what i would do for 7 hours of sleep…). Not only do humans sleep less than their primate relatives but also sleep less than predicted when a series of biological and lifestyle factors is taken into account (9.55 versus 7 hours/day). Now the big question is why?

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