Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
People who sleep late have more mental stamina and can outperform early risers.
33
If you hold farts in during the day, they'll just come out when you sleep.
16
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The average cat sleeps about 2/3 of the day.
203
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22