Humans Evolved To Get Less, But Better Quality, Sleep
A Duke University study hypothesizes it was early human ancestors' change from sleeping in trees to on the ground that lets us sleep less today.By Ryan Biek | December 15, 2015
If you're already on your third cup of coffee you might not believe this, but humans evolved to get less and better sleep than our ancestors.
Duke University researchers analyzed a database of sleep patterns for hundreds of mammal species, with an emphasis on 21 primate species.
And using statistical techniques, they were able to rank how far removed from humans each primate species was.