Bats sleep 18-20 hours per day.
5
The average cat sleeps about 2/3 of the day.
203
The strangers in your dreams are actually people that you've seen in real life.
50
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Those who get out of bed by 7am are more likely to be thinner and happier.
20
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Honeybees never sleep.
276