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Made byOura

Oura Ring

Finger-worn sensor and companion app reporting sleep, activity and readiness metrics.

ouraring.com

At a glance

Type
Device
Platforms
iOS · Android · Wearable
Who it’s for
Patients
Where it’s available
Finland, United Kingdom, United States
Sources cited
1
In the library since
16 September 2026

What it does

A titanium ring containing optical and temperature sensors, paired with a mobile app that turns the overnight readings into three daily scores.

The three-score summary is the product's central interface decision, and a contested one. Reducing a night of physiological data to one number makes it legible to someone with no clinical training, which is the point, but it also invites people to treat a wellness estimate as a measurement.

Patterns this product illustrates

Patterns

SafetyModerate clinical risk

Uncertainty on home-recorded readings

How a product tells a person that a reading it took at home (an ECG, an overnight oxygen level, a cycle prediction) may not be reliable, cannot be classified, or should be read as a trend rather than a fact. The pattern covers the wording, the visual treatment, and what the product asks the person to do next.

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