One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Dieters who sleep more take off more fat that those who sleep less.
159
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
You burn more calories sleeping than you do watching television.
348
The human brain is more active during sleep than during the day.
28
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Honeybees never sleep.
276