The average cat sleeps about 2/3 of the day.
203
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
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
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
You forget 90% of your dreams.
256
Bats sleep 18-20 hours per day.
5