The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Lack of water is the #1 trigger of daytime fatigue.
148
Honeybees never sleep.
276