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Google is expanding its suite of health and safety tools on the Pixel Watch, with new features for blood pressure trends, insulin resistance trends, and sleep breathing quality metrics. These features, part of Google's Health Guardian brand, will begin rolling out on Pixel Watch 3, 4, and 5 devices starting this week. The blood pressure trend feature measures pulse and motion patterns to detect early signs of persistent higher cardiovascular trends.

Insulin resistance trends analyze multi-week physiological data to track metabolic health shifts, requiring at least 7 days of data per month. Sleep breathing quality metrics track overnight breathing changes, with morning reports identifying longer-term patterns. Both blood pressure and insulin resistance trend features require a minimum of 5 and 7 days of data, respectively, to generate insights.

These trends will be available in the Google Health app daily, with sleep breathing quality metrics appearing once per month. Pixel Watch 3, 4, and 5 users can set up these features in the Google Health app, with trend reports beginning in early October. Premium subscribers to Google Health will also have access to these features on the Fitbit Air later in the year.