The strangers in your dreams are actually people that you've seen in real life.
50
The average cat sleeps about 2/3 of the day.
203
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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