Cows can sleep standing up, but they can only dream lying down.
745
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Honeybees never sleep.
276
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The average person falls asleep in seven minutes.
115