One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Honeybees never sleep.
276
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Dieters who sleep more take off more fat that those who sleep less.
159
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
You forget 90% of your dreams.
256