Fans worldwide watched the 2026 World Cup, and a company tracked its impact on their health. Data was collected from a device worn on the finger, revealing changes in users' habits. The information shows how intense matches affected people's behavior.

Further details are available from the source about the effects on sleep and stress. The data analyzed comes from multiple countries, including Norway, where a significant change was observed. The source provides more information on the findings, including how late-night matches influenced bedtime habits.