What would you do if you found an alien in your room? Not really a question many would be faced with in reality you'd think, but this one man from the US says he faced just that.
David from Pensacola in the states was asleep in his home when the 'humanoid' creature entered his bedroom.
Watch the shocking footage below:
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The footage was recorded by CCTV mounted above David's bed in 2006 and pictures a suspicious yellow light coming from the door.
Next, the camera picks up something quite alarming as that 'humanoid' figure peeks out into the bedroom from behind the open door.
The daunting figure then starts to go through the doorway with David not moving an inch in his sleep.
The terrifying footage was brought to light by the Sky History TV series The Proof is Out There.
In the programme, it is said that the alien-type figure is known as a grey alien due to its physical appearance such as its slender legs and shape of its head.
The short clip was posted to the channel's YouTube page, with many people giving their reactions.
One person said: "I was a skeptic but when u have such a professional CLEAR image like this I’m all in brah…"
A second added: "At least the resolution coincides with the year but you would think that a cctv camera would be able to focus in from a distance. I’m calling bs on this one."
Meanwhile, a third said: "Why is it anytime there’s footage it’s always blurry af what a scam."
Speaking in the episode, author and Journalist Alexis Brooks, said: "It is very rare I have found an individual that has only had one experience.
"Variably, there are often multiple experiences dating back to childhood."
Grey aliens are steeped into supernatural beliefs and are often involved in alien abduction claims.
Among these claims, the alien type make up 50 percent in Australia, 73 percent in the US, and 48 per cent in continental Europe.
With these claims, it is often said grey aliens stare into the eyes of the abductee, in a terrifying act.
It is claimed the staring is used to induce hallucinogenic states or directly provoke different emotions from the abductee.
There are many alien abduction stories that have been told throughout time, but one of the arguably more famous ones is from the 1960s.
Betty and Barney Hill were driving down a winding country road in New Hampshire's White Moutains when they noticed a strange light in the sky following them.
The couple failed to see a car in hours on the September night in 1961 and had completely forgot two hours of the journey home to Portsmouth.
After help from a psychiatrist, the couple revealed a truly unbelievable story that grey's had walked them into a metallic disc and erased their memories after an examination.
Their bizarre experience forced an inquiry into UFO sightings across the country.
Callum Jones