Random Sleep Facts

    42 facts tagged with Sleep Facts

    Lack of water is the #1 trigger of daytime fatigue.
    148
    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
    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
    A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
    23
    A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
    194
    The human brain is more active during sleep than during the day.
    28
    You forget 90% of your dreams.
    256