Random Sleep Facts

    42 facts tagged with Sleep Facts

    Cows can sleep standing up, but they can only dream lying down.
    745
    The higher someone’s I.Q. the more likely they are to be sleep deprived.
    29
    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.
    35
    The average cat sleeps about 2/3 of the day.
    203
    A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
    23
    Camping Can Help to Reset Body Clock
    Camping can help to reset your body clock, according to research.
    45
    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.
    15
    Knocker-Up
    Knocker-Up
    Until the 1920s, there was a profession called 'knocker-up', which involved going from client to client and tapping on their windows (or banging on their doors) with long sticks until they woke up.
    46