Cows can sleep standing up, but they can only dream lying down.
745
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
You burn more calories sleeping than you do watching television.
348
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Termites work 24 hours per day and they do not sleep.
57
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29