There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The strangers in your dreams are actually people that you've seen in real life.
50
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The average cat sleeps about 2/3 of the day.
203
People who sleep late have more mental stamina and can outperform early risers.
33
Dieters who sleep more take off more fat that those who sleep less.
159
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29