The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The average cat sleeps about 2/3 of the day.
203
Lack of water is the #1 trigger of daytime fatigue.
148
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
Dieters who sleep more take off more fat that those who sleep less.
159
You burn more calories sleeping than you do watching television.
348
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29