Random Sleep Facts

    42 facts tagged with Sleep Facts

    The harder you concentrate on falling asleep, the less likely you are to fall asleep.
    34
    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
    Sea otters hold hands while sleeping so they don’t drift away from each other.
    104
    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 higher someone’s I.Q. the more likely they are to be sleep deprived.
    29
    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
    Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
    193
    Napping After Learning
    Napping After Learning
    Taking a nap after learning something can help your retention of it.
    54