It's the spooky season and we're probably all watching a little more horror than usual. If you're looking for a definitive list of movies that deliver the biggest scares, this story may be helpful.

According to NME, a recent study attempted to rank the scariest horror films of all time by monitoring viewers’ average heart rates. They showed more than 50 participants over 1,000 hours of horror movies and narrowed the field to the 35 films that delivered the greatest heart rate increases. 2012's Sinister landed in the top spot. Audience members watching the Ethan Hawke-starring supernatural thriller experienced, on average, a 32% heart rate increase.

Here's how the rest of the list shook out:

Sinister
Insidious
The Conjuring
Hereditary
Paranormal Activity
It Follows
The Conjuring 2
The Babadook
The Descent
The Visit
The Ring
A Quiet Place
A Nightmare on Elm Street
Halloween
The Texas Chainsaw Massacre
28 Days Later
The Exorcist
Hush
It
Scream
The Grudge
The Witch
The Blair Witch Project
Alien
The Thing
Poltergeist
Annabelle
Friday the 13th
The Orphanage
Dark Skies
Wolf Creek
The Omen
The Shining
Get Out
Audition

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