Bats sleep 18-20 hours per day.
5
Honeybees never sleep.
276
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
Those who get out of bed by 7am are more likely to be thinner and happier.
20
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cows can sleep standing up, but they can only dream lying down.
745