People who sleep late have more mental stamina and can outperform early risers.
33
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
You burn more calories sleeping than you do watching television.
348
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
47% of people have a nightmare at least once a month.
186
Bats sleep 18-20 hours per day.
5