The strangers in your dreams are actually people that you've seen in real life.
50
47% of people have a nightmare at least once a month.
186
You burn more calories sleeping than you do watching television.
348
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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