47% of people have a nightmare at least once a month.
186
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
The average cat sleeps about 2/3 of the day.
203
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194