Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
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
Cows can sleep standing up, but they can only dream lying down.
745
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
47% of people have a nightmare at least once a month.
186
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193