The Science of Scare Project came out with their 2025 list of the Scariest Movies According to Science. The "test subjects" had to wear heart monitors to track their heartbeat throughout each movie screening.
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)