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
The average cat sleeps about 2/3 of the day.
203
People who sleep late have more mental stamina and can outperform early risers.
33
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
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