MoneySuperMarket’s Science of Scare project puts horror films through a heart‑rate test to scientifically crown the scariest. They strap viewers to monitors and measure two things: how fast your heart races (BPM) and how irregular your heartbeat gets (HRV). Bigger BPM jumps = adrenaline, lower HRV = creeping dread. They combine those into a “Scare Score.”
According to their latest study, Sinister owns the fear throne with a score of 96… and Smile 2 stakes its claim in the top ranks too.
Here’s the Top 10:
1. “Sinister” (2012)
2. “Host” (2020)
3. “Skinamirink” (2022)
4. “Insidious” (2010)
5. “The Conjuring” (2013)
6. “Hereditary” (2018)
7. “Smile 2” (2024)
8. “Smile” (2022)
9. “The Exorcism of Emily Rose” (2005)
10. “Talk to Me” (2022)
Read more from MoneySuperMarket HERE.







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