7 years ago
1
How many hours of sleep do you actually need?
One third of your life spent unconscious. From an evolutionary standpoint, sleep is quite literally a waste of your time, yet it's fought its way through countless years of adaptation in nearly every living animal on Earth. So it must be important, right?
Continue Reading
http://www.popsci.com.au
Join the Discussion
I've been screwing myself over for months now. Years maybe.