Cows can sleep standing up, but they can only dream lying down.
745
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
If you hold farts in during the day, they'll just come out when you sleep.
16
Termites work 24 hours per day and they do not sleep.
57