You forget 90% of your dreams.
256
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The human brain is more active during sleep than during the day.
28
The average person falls asleep in seven minutes.
115
Those who get out of bed by 7am are more likely to be thinner and happier.
20
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Termites work 24 hours per day and they do not sleep.
57