There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Dieters who sleep more take off more fat that those who sleep less.
159
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
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
If you hold farts in during the day, they'll just come out when you sleep.
16
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212