Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
Lack of water is the #1 trigger of daytime fatigue.
148
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
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