Football Fever: Your Heart Rate Spikes 41% on Match Day!

A recent study by Bielefeld University in Germany has scientifically confirmed the physiological effects of "football fever" on fans. Researchers found that supporters' stress levels increase by a significant 41% on match days. On average, a fan's heart rate elevates from 71 beats per minute on a typical day to 79 beats per minute during crucial fixtures. The study, which utilized smartwatch data from fans of Arminia Bielefeld during the 2025 German Football Association Cup final, indicated that fans present in the stadium experienced even more pronounced effects, with their heart rates being 23% higher compared to those watching on television.

The intensity of these physiological responses can lead to serious health concerns, especially when combined with alcohol consumption, which further accelerates heart rates. The research suggests that the emotional rollercoaster of a match, coupled with social bonding among fans, creates a genuine state of "football fever." This intense emotional involvement can manifest as noticeable physiological responses, potentially increasing the risk of cardiac events like arrhythmias for highly engaged fans. Previous research also explored the brain's reactions, showing reward areas lighting up with team wins and introspection areas activating with losses.