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.
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The average cat sleeps about 2/3 of the day.
203
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The strangers in your dreams are actually people that you've seen in real life.
50
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15