How Accurate is the Oura Ring for Nocturnal Heart Monitoring? A Comprehensive Study

As wearable technology advances, understanding its accuracy becomes critical for health applications. A recent study published in the Journal of Medical Internet Research evaluates the Oura Ring, a photoplethysmography-based smart ring, against a medical-grade chest ECG for measuring nocturnal heart rate (HR) and heart rate variability (HRV). Key Findings The study underscores the potential of […]