Lack of water is the #1 trigger of daytime fatigue.
148
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
Dieters who sleep more take off more fat that those who sleep less.
159