Bats sleep 18-20 hours per day.
5
Termites work 24 hours per day and they do not sleep.
57
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You forget 90% of your dreams.
256
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194