The human brain is more active during sleep than during the day.
28
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Cows can sleep standing up, but they can only dream lying down.
745
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6