Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The average cat sleeps about 2/3 of the day.
203
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The average person falls asleep in seven minutes.
115
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15