Cows can sleep standing up, but they can only dream lying down.
745
People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The strangers in your dreams are actually people that you've seen in real life.
50