The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
People who sleep late have more mental stamina and can outperform early risers.
33
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Honeybees never sleep.
276