How Accurate Is Oura Ring Sleep Tracking? Real Lab Study Results (2026)
Reviewed by: NexraGear Sleep Tech Research TeamPublished: February 28, 2026 | Last Updated: May 10, 2026Testing Methodology: Worn for 30 nights | Cross-referenced with 3 peer-reviewed PSG studies How accurate is Oura Ring sleep tracking? According to a 2024 Brigham & Women’s Hospital study published in Sensors, Oura Ring achieved 79% four-stage sleep classification agreement with polysomnography … Read more