World Cup Fever Study now open to all major smartwatches

Got a smartwatch? You can now join a study measuring how the football world cup is affecting your heart

Bielefeld University is inviting smartwatch users to join a World Cup study tracking how football matches affect fans’ heart rate, stress, movement, and sleep.

Got World Cup Fever? Send scientists your smartwatch data.

If you’ve developed World Cup fever over the past few days, then researchers at Bielefeld University want to hear about it. The team is inviting football/soccer fans to share the data collected from their smartwatches for a study on how supporters around the world physically experience their team’s thrilling victories and heartbreaking defeats. “We are interested in whether fans of different national teams react with differing intensity to the s…

World Cup Fever Study now open to all major smartwatches

At the start of the 2026 FIFA World Cup, Bielefeld University is looking for fans of all national teams. The Football Fever Study uses smartwatch data to record how match events affect fans' heart rates and stress levels. Anyone wearing a device from one of 13 supported brands, such as Apple, Google, Samsung and Garmin, can take part.