Random Sleep Facts

    42 facts tagged with Sleep Facts

    A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
    23
    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
    You burn more calories sleeping than you do watching television.
    348
    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
    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
    Hugging your pillow while sleeping indicates that you miss someone
    Pillow hugging while sleeping is a subconscious indication that you miss someone.
    44