The human brain is more active during sleep than during the day.
28
You burn more calories sleeping than you do watching television.
348
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Dieters who sleep more take off more fat that those who sleep less.
159
People who sleep late have more mental stamina and can outperform early risers.
33
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12