Those “one things” are what psychologists call granular emotions. Unlike a general feeling of being stressed, a granular emotion is a specific feeling like “fear,” “worry,” or “anxiety.” On the flip side, compared to a feeling of unspecified happiness, a granular emotion might be “pleased,” “delighted,” or “excited.”

Oura’s next big update adds cumulative stress tracking and blood pressure estimation, transforming its smart ring into a proactive health companion that detects hidden risks long before they become serious issues.