Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Dieters who sleep more take off more fat that those who sleep less.
159
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15