Smartwatch study shows stadium atmosphere spikes heart rate and stress levels

Fans of DSC Arminia Bielefeld experience matchday excitement far more intensely in the stadium than in front of the television when watching football (soccer). A study from Bielefeld University demonstrates clear differences in heart rate and stress levels during the 2025 cup final of the German Football Association (DFB). According to the study, being physically present in the stadium significantly amplifies reactions to goals and match events. Researchers recorded vital signs from 229 fans over a 12-week period using smartwatches. The study is published in Scientific Reports.