You forget 90% of your dreams.
256
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
47% of people have a nightmare at least once a month.
186
Bats sleep 18-20 hours per day.
5
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212