A man playing a sleep paralysis horror game was completely terrified at one part of the video.
Even if you've never experienced sleep paralysis, it's a pretty scary concept.
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Essentially, the sleep disorder describes a feeling of being conscious but unable to actually move.
It tends to happen in between being asleep and waking up and usually lasts for a few seconds or even a few minutes.
Some people who suffer from sleep paralysis report feeling pressure, or choking, while others have hallucinations.
The disorder has also has been been linked with insomnia, disrupted sleeping patterns, PTSD or a family history of sleep paralysis, along with a few other conditions.
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Unfortunately, it's still not exactly clear why sleep paralysis can happen - meaning there's no telling when it might occur.
One Twitch gamer, Carter Woolley - who goes by kingwoolz on the platform - could be seen playing a sleep paralysis horror game.
The video is from the POV of the person experiencing sleep paralysis and was shared on Carter's Instagram.
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At one point, dark figures can be seen darting past the bed, as well as appearing next to his pillow.
But right at the end of the clip, Carter could be seen screaming at the camera when a terrifying figure drops down from above the bed and into the shot.
At the point the figure appears, Carter jumps back in shock, and the video quickly ends.
Commenting on the terrifying moment, one person wrote: "Why is this a game!??!?"
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While another said: "I have chronic sleep paralysis and can confirm it’s just like this except you also feel like you can’t breathe on top of not being able to move. And they’re always at the edge of the bed like that."
And a third added: "As a person who experienced sleep paralysis many times I can say the game is pretty accurate on what it’s like."
Meanwhile a fourth commented: "I play this irl every night already."
We recently told you about a simulation by JRD Artistry, which gives an example of what sleep paralysis looks like, featuring moving shadows and shapes, and even something climbing up the bed as the person watching on lies trapped.
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To help prevent sleep paralysis, experts advise trying to regularly get seven to nine hours of sleep each day, going to bed at roughly the same time each night and getting up at the same time each morning, and getting regular exercise - but not in the four hours before going to bed.
Simple.