Humans sleep the least of all apes. Is this the secret to our success?
Humans sleep on average 7.0 hours per night ans spend 22% of their sleep in REM phase. Chimpanzees sleep on average 9.7 hours of which 15% is REM.
In both apes REM is about 1.5 hours.
www.newscientist.com/article/2530...
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Humans sleep the least of all apes – is it the secret to our success? | New Scientist
Sleep is essential, yet humans have evolved to need so little of it. When evolutionary anthropologist David Samson delved into our ancient past to find the reasons why, he discovered surprising ways t...