One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
If you hold farts in during the day, they'll just come out when you sleep.
16
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The average cat sleeps about 2/3 of the day.
203
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Dieters who sleep more take off more fat that those who sleep less.
159
You forget 90% of your dreams.
256