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Article created by: Saimonas Lukošius

Nighttime is for horrors and discovering how frightening the world really is. We aren’t talking about ghosts and other paranormal phenomena. They haven't YET been added to the library of proven scary facts. We are here to take a look at the scientifically proven horrors. The ones that we can’t deny or run away from. And unfortunately (or luckily for all you dark copers out there), there are many creepy facts about humans and the Earth we live on.

Human bodies might work in creepy ways, but they can’t beat the frightening things our minds have done. For example, one of the scariest facts on our list touches upon the horror movie Poltergeist. This might come as a shocker to you, but the corpses you saw in the movie — those were actual human remains. With this scary fact in mind, you might watch the movie from a different perspective. Or never watch it again.

However, to truly make your sleep feel more like a nightmare, you should know the dark facts about Earth and its inhabitants. Crows, for example, can remember and recognize human faces. On the other hand, some scary facts touch upon geography. Mount Everest, the highest mountain above sea level, is also the world’s highest graveyard. Approximately 150 bodies are resting on this giant of a mountain. All of whom will likely never be recovered.

Ready to get scared? If so, turn off the lights, cozy up in your bed, and delve into the scary and disturbing facts we have compiled below. Also, we advise you to stick till the end because, throughout the post, we explore how scary facts affect sleep and why the ocean might be the most terrifying place on Earth!

#1

Close-up of a black raven with glossy feathers, representing eerie and scary facts that give you the heebie-jeebies. Crows can recognize and remember human faces.

onlinelibrary.wiley.com , Tom Swinnen Report

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    #2

    Close-up of a green eye showing detailed iris texture and reflection, evoking scary facts that give heebie-jeebies. Tooth-in-the-Eye Surgery. Surgeons put a tooth in a blind person’s eye to restore their sight. It was pioneered in the 1960s, and it actually works and it’s still being done today.

    eyewiki.aao.org , Lisa Fotios Report

    #3

    Child with long hair reaching out to static-filled TV screen in dark room, evoking scary facts and eerie heebie-jeebies atmosphere. Real corpses were used in the 1982 film Poltergeist.

    snopes.com , imdb Report

    #4

    Black and white mountain landscape with rocky peaks and calm water reflecting shadows, evoking scary facts mood. There are bodies of over 150 dead hikers on Mount Everest, and they’are used as landmarks.

    smithsonianmag.com , David Waschbüsch Report

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    #5

    Jellyfish floating underwater with long tentacles in a blue ocean, evoking scary facts and eerie heebie-jeebies. The Turritopsis Dohrnii jellyfish is officially known as the only immortal creature in the world. It lives forever.

    amnh.org , Pawel Kalisinski Report

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    #6

    Close-up of a hairy spider silhouette highlighting scary facts that will give you the heebie-jeebies in dark lighting. Climate change is making spiders bigger.

    royalsocietypublishing.org , Anthony Report

    #7

    Vintage wooden radio with tuning dials on a lace-covered table evokes eerie nostalgic scary facts atmosphere. A haunted radio station from Russia has been broadcasting a dull monotonous tone for twenty-four hours a day, seven days a week, for the last three-and-a-half decades. Every few seconds it’s joined by a second sound, like some ghostly ship sounding its foghorn.

    bbc.com , Zeynep M Report

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    #8

    Dog with a ball in its mouth playing outside on grass, illustrating one of the scary facts that will give you heebie-jeebies. Dogs like squeaky toys because they mimic the screams of their prey.

    sciencedirect.com Report

    #9

    Close-up of a chainsaw blade with sharp teeth, evoking scary facts and giving viewers the heebie-jeebies. Two Scottish surgeons originally invented the chainsaw to assist childbirth.

    ncbi.nlm.nih.gov , Karolina Gabrowska Report

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    #10

    Close-up of a hairy spider showing detailed eyes and legs, illustrating scary facts that give you the heebie-jeebies. Spiders can survive in space.

    nasa.gov , Pixabay Report

    #11

    Young woman in hospital bed with IV, covered in blanket, holding hand of visitor, evoking scary facts atmosphere. Locked-In Syndrome is a condition in which a patient is fully aware but is stuck in a coma-like state.

    rarediseases.info.nih.gov , RDNE Stock Project Report

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    #12

    Shadow of a hand with long sharp blades creating a scary and eerie atmosphere for scary facts content. The film 'A Nightmare on Elm Street' is based on a real story reported in the LA Times. A boy was terrified to go to sleep, and when he did, he died while screaming about a nightmare.

    latimes.com , imdb Report

    #13

    Historic brick building with tree reflections on water, evoking eerie and scary facts atmosphere in a calm urban setting. While Ted Bundy was a psychology major at the University of Washington, he worked at Seattle's Suicide Hotline Crisis Center.

    distractify.com , bryce carithers Report

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    #14

    A group of fluffy ducklings resting on green grass, illustrating a peaceful scene unrelated to scary facts or heebie-jeebies. Ducklings can engage in cannibalistic behaviors when they're bored.

    dpi.nsw.gov.au , Pixabay Report

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    #15

    Black and white image of hands resting near wilted flowers, evoking a creepy atmosphere for scary facts and heebie-jeebies. When you die the last sense to leave your body is the ability to hear.

    ncbi.nlm.nih.gov , Pavel Danilyuk Report

    #16

    Underwater scene with a sea turtle swimming near coral reefs, highlighting scary facts about ocean life mysteries. More than 80% of our ocean is unmapped, unobserved, and unexplored.

    oceanservice.noaa.gov , Francesco Ungaro Report

    #17

    Woman lying in bed, sneezing with tissues surrounding her, representing scary facts about health and illness. Technically it’s not impossible to die from holding in a sneeze. Some injuries from holding in a sneeze can be very serious, such as ruptured brain aneurysms, ruptured throat, and collapsed lungs.

    healthline.com , Andrea Piacquadio Report

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    #18

    Horned lizard blending with rocky ground showing texture and camouflage in a scary facts nature setting. Horned Lizards can defend themselves by squirting blood out of their eyes.

    asknature.org , Room237 CC AS-A A 3.0 U Report

    #19

    Hands reaching out of water, evoking scary facts and ominous feelings that give you the heebie-jeebies. Alien hand syndrome is a phenomenon in which one hand is not under control of the mind. The person loses control of the hand, and it acts as if it has a mind of its own.

    ncbi.nlm.nih.gov , hansskuy Report

    #20

    Young woman sitting on couch, nervously biting her finger while reading scary facts on her smartphone in dim room. Mobile phones are 10 times dirtier than a toilet seat.

    ncbi.nlm.nih.gov , Teddy Yang Report

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    #21

    Spilled red wine glass creating a dark pool on a white surface evoking scary facts and eerie vibes. King Charles II drank alcohol mixed with pulverized human skulls.

    smithsonianmag.com , Polina Tankilevitch Report

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    #22

    Close-up of an ant on a green leaf illustrating scary facts about insects that give you the heebie-jeebies. Some ants turn into zombies via parasitic fungus which manipulates their brains.

    livescience.com , Egor Kamelev Report

    #23

    Weathered grave marker with cross and rust stains in a dark cemetery setting, evoking scary facts and eerie atmosphere. Arrhythmic death syndrome is a sudden condition where someone seemingly healthy dies suddenly with no apparent cause of death.

    sads.org.uk , Brett Sayles Report

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    #24

    Medical monitor displaying vital signs on black cart wires connected to it, creating scary facts atmosphere. 250,000 deaths a year are due to medical errors.

    npr.org , Dalila Dalprat Report

    #25

    Ancient Egyptian sarcophagus with detailed hieroglyphics and painted face showcasing scary facts about ancient burial practices. During the mummification process, Ancient Egyptians remove the brain through one of the nostrils.

    science.howstuffworks.com , Miguel Á. Padriñán Report

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    #26

    Man lying on couch looking uneasy, illustrating scary facts that will give you the heebie-jeebies emotion. People with Cotard's syndrome believe that parts of their body are missing, or that they are dying, dead, or don’t exist. They may think nothing exists.

    webmd.com , cottonbro Report

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    #27

    Close-up of hands in handcuffs, capturing a scary fact that evokes strong heebie-jeebies feelings and fear. Criminologists estimate that there's a 1-in-3 chance police will never identify your killer if you're murdered in the US.

    npr.org , Tima Miroshnichenko Report

    #28

    Person with tired eyes and messy hair looking anxious in dim light, capturing scary facts and heebie-jeebies feelings. Fatal familial insomnia makes it impossible for someone to sleep for months.

    rarediseases.org Report

    #29

    Close-up of a cake with strawberries, candles, and sparklers creating a spooky and eerie atmosphere for scary facts. You’re more likely to die on your birthday. The chance someone will die on their birthday is 6.7 percent, which is higher than any other day.

    sciencedirect.com , Marina Utrabo Report

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    #30

    Close-up of a spider on its web in low light, creating a creepy atmosphere for scary facts about fears and phobias. Some female spiders allow their young to eat them alive.

    sciencedirect.com , Pixabay Report