There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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Cows can sleep standing up, but they can only dream lying down.
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The average person falls asleep in seven minutes.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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People who sleep late have more mental stamina and can outperform early risers.
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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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"Dysania" is the state of finding it hard getting up out of bed in the morning.
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