Sea otters hold hands while sleeping so they don’t drift away from each other.
104
If you hold farts in during the day, they'll just come out when you sleep.
16
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
47% of people have a nightmare at least once a month.
186
Honeybees never sleep.
276
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149