Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Termites work 24 hours per day and they do not sleep.
57
Cows can sleep standing up, but they can only dream lying down.
745
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15