The strangers in your dreams are actually people that you've seen in real life.
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47% of people have a nightmare at least once a month.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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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.
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If you hold farts in during the day, they'll just come out when you sleep.
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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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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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