There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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You forget 90% of your 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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The average cat sleeps about 2/3 of the day.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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