Dieters who sleep more take off more fat that those who sleep less.
159
You forget 90% of your dreams.
256
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
People who sleep late have more mental stamina and can outperform early risers.
33
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23