Random Sleep Facts

    42 facts tagged with Sleep Facts

    In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
    13
    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
    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
    Napping After Learning
    Napping After Learning
    Taking a nap after learning something can help your retention of it.
    54
    44% of kids watch television before they go to sleep.
    106
    A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
    6
    The higher someone’s I.Q. the more likely they are to be sleep deprived.
    29
    Bats sleep 18-20 hours per day.
    5