The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
You forget 90% of your dreams.
256
The average cat sleeps about 2/3 of the day.
203
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Sea otters hold hands while sleeping so they don’t drift away from each other.
104