Random Interesting Facts

    537 facts tagged with Interesting Facts

    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.
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    44% of kids watch television before they go to sleep.
    106
    God is the only Simpsons character to have five fingers on each hand.
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    Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
    12
    The reindeer is the only mammal that can see UV light.
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    The human brain doesn't stop developing until about 25 years old.
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    The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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    When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
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