There’s nothing like watching a truly scary movie, especially during spooky season. Broadband Choices set out to discover what the scariest movies of all time are, according to science. The team at Broadband Choices studied critic’s lists and Reddit recommendations to curate 50 of the best horror films ever made, before subjecting them to their test subjects. The subjects watched each movie in 5.1 surround sound and consumed over 120 hours of the most terrifying horror movies out there. Each viewer was fitted with a heart rate monitor to measure which movies got their blood pumping the most to find the ultimate horror movie. Here’s what they discovered:

Top 20 Scariest Movies of All Time:

1) Sinister

2) Insidious

3) The Conjuring

4) Hereditary

5) Paranormal Activity

6) It Follows

7) The Conjuring 2

8) The Babadook

9) The Descent

10) The Visit

11) The Ring

12) A Quiet Place

13) A Nightmare on Elm Street

14) Halloween

15) The Texas Chainsaw Massacre

16) 28 Days Later

17) The Exorcist

18) Hush

19) It

20) Scream

The study also discovered a few other interesting facts about your favorite horror films. Insidious had the biggest jump scares by heart rate, while Sinister and The Exorcist 3 followed close behind. The Conjuring and The Descent rounded out the top 5 for biggest jump scares by heart rate. The highest heart rate during a viewing of Sinister was 131 beats per minute.

(Elvis Duran)