47% of people have a nightmare at least once a month.
186
Termites work 24 hours per day and they do not sleep.
57
The human brain is more active during sleep than during the day.
28
If you hold farts in during the day, they'll just come out when you sleep.
16
You burn more calories sleeping than you do watching television.
348
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212