You burn more calories sleeping than you do watching television.
348
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
People who sleep late have more mental stamina and can outperform early risers.
33
The strangers in your dreams are actually people that you've seen in real life.
50
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28