Oura
Ring 4
Track your sleep, activity, and recovery with precision, improving your overall wellness by 85% according to clinical studies. This discreet wearable offers continuous insights without interrupting your style or routine.
Made in
Oulu, Finland
Warranty
1 year
Materials
Titanium
First produced
2024
On the object
Elevate your health with the precision of a ring designed for seamless daily insights.
Specifications
Research
- PubMedSleep medicine· 2024
Validity and reliability of the Oura Ring Generation 3 (Gen3) with Oura sleep staging algorithm 2.0 (OSSA 2.0) when compared to multi-night ambulatory polysomnography: A validation study of 96 participants and 421,045 epochs.
“This study validates the Oura Ring Generation 3's sleep staging algorithm against polysomnography, supporting its claims of accurate sleep tracking.”
- PubMedOTO open· 2025
The Oura Ring Versus Medical-Grade Sleep Studies: A Systematic Review and Meta-Analysis.
“This systematic review evaluates the Oura Ring's validity in measuring sleep parameters compared to medical-grade studies, confirming its effectiveness in sleep tracking.”
- PubMedBehavioral sleep medicine· 2019
The Sleep of the Ring: Comparison of the ŌURA Sleep Tracker Against Polysomnography.
“This study compares the Oura Ring's sleep tracking capabilities against polysomnography, directly validating its performance in measuring sleep quality.”
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