Agreement between Garmin and Ultrahuman wearables and their association with continuous glucose monitoring: an n-of-1 study
Mario Lovrić, Morten Arendt Rasmussen, Dejan Strbad
This study compares agreement between Garmin and Ultrahuman wearables and their association with continuous glucose monitoring in one adult, finding close agreement on sleep duration but variable heart rate and glucose correlations.
bioRxiv · Oct 16, 2026 · PreprintPhysiology