Random Sleep Facts

    42 facts tagged with Sleep Facts

    The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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    There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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    People who sleep late have more mental stamina and can outperform early risers.
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    Napping After Learning
    Napping After Learning
    Taking a nap after learning something can help your retention of it.
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    You forget 90% of your dreams.
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    You burn more calories sleeping than you do watching television.
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    Hypnic Jerk
    Hypnic Jerk
    When you wake up with a jolt, it's called a Hypnic Jerk. This usually happens during the lightest stages of sleep, and can happen as a natural reaction when you fall asleep in a car or airplane.
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