Does Finger Choice Affect Oura Ring Accuracy? A Double-Test Review

Quick Summary

• Experiment Setup: Beth Skwarecki tested two gen 3 Oura rings, wearing one on her index finger and another on her ring finger for nearly two weeks.
• findings: The readings from both fingers were almost identical across metrics like resting heart rate (RHR), heart rate variability (HRV), respiratory rate, sleep time, and sleep efficiency. Only minor discrepancies occurred on one day.
• Oura’s Statement: Oura recommends wearing the ring on the index finger for optimal fit but confirms it effectively works well with any finger where it fits tightly around the base.Fingers with larger blood vessels (index, middle, or ring) are preferable for accurate PPG pulse monitoring.
• Additional Sizing Info: Differences between gen 3 and gen 4 models may effect fit due to slightly varying sizes; no half sizes are available.

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