The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Termites work 24 hours per day and they do not sleep.
57
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Bats sleep 18-20 hours per day.
5
Cows can sleep standing up, but they can only dream lying down.
745