Hereditary has been 'scientifically proven' to be the scariest film of this year, after producers monitored the heart rates of film-goers watching the movie to see just how terrifying it actually is.
The film centres on actress Toni Collette's character uncovering a pretty terrifying supernatural family secret, and it has been branded both 'harrowing' and 'unsettling' since it was released in cinemas this June.
It has also been claimed that Hereditary is even scarier than The Nun, which had its trailer taken down from Youtube earlier this month.
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In the study, the production team behind the film kitted Hereditary fans out with Apple Watches in order to monitor their reactions during the horror.
These clever watches tracked the heart rates of people as they watched the film, meaning the production team could gauge just how scary it was.
While your resting heart rate should be anywhere 60 and 80 beats per minute, some fans feasting their eyes on Hereditary had their heart rates raised to 164pm, which is well over double in some cases.
The studio also published a graph to show the results, which seems to indicate that the film gets even scarier the longer goes on.
No spoilers, but something super horrifying appears to happen around the 90 minute mark, so get ready with your cushions to hide behind.
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The film first premiered in cinemas this June, and it is fair to say that people had the living daylights scared out of them if the graph is anything to go by.
Hereditary stars Gabriel Byrne, Alex Wolff and Milly Shapiro, and once you start watching you are in it for the long haul, as it has a run-time of two hours and seven minutes.
Rotten Tomatoes has rated the production a fairly impressive 89 per cent, branding it a 'harrowing, uncommonly unsettling horror film whose cold touch lingers long beyond the closing credits'.
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If you have not managed to catch the film yet, then it is still airing in some cinemas across the UK, and will be released on DVD and Blu Ray on 4th September.
Featured Image Credit: A24
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