Cows can sleep standing up, but they can only dream lying down.
745
You burn more calories sleeping than you do watching television.
348
The average person falls asleep in seven minutes.
115
The average cat sleeps about 2/3 of the day.
203
People who sleep late have more mental stamina and can outperform early risers.
33
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
If you hold farts in during the day, they'll just come out when you sleep.
16