47% of people have a nightmare at least once a month.
186
Dieters who sleep more take off more fat that those who sleep less.
159
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Cows can sleep standing up, but they can only dream lying down.
745
You forget 90% of your dreams.
256
If you hold farts in during the day, they'll just come out when you sleep.
16
The human brain is more active during sleep than during the day.
28