Honeybees never sleep.
276
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
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
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
You burn more calories sleeping than you do watching television.
348
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212