Random Sleep Facts

    42 facts tagged with Sleep Facts

    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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    The human brain is more active during sleep than during the day.
    28
    The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
    15
    Cows can sleep standing up, but they can only dream lying down.
    745
    47% of people have a nightmare at least once a month.
    186
    Cats and sleep
    Cats and sleep
    On average, cats sleep for 2/3 of their life. This would mean that a 9 year old cat has been asleep for 6 years.
    29
    Those who get out of bed by 7am are more likely to be thinner and happier.
    20
    You forget 90% of your dreams.
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