Bats sleep 18-20 hours per day.
5
47% of people have a nightmare at least once a month.
186
If you hold farts in during the day, they'll just come out when you sleep.
16
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
You forget 90% of your dreams.
256
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11