Sleep Optimization

Oura Ring Gen 4

Name: Oura Ring Gen 4
Brand: Oura

Oura

Where to Buy

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Oura$349 Check price on Amazon

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Lowest recorded price

$349

oura

Our Take

Gen 4 is the benchmark in sleep-tracking wearables. The form factor is the differentiator, a ring is the only wearable people actually wear 24/7 including to bed, where the data matters most. Heart rate, HRV, body temperature, and SpO2 from a finger sensor are within the trend-accuracy band of medical-grade equipment. The manufacturer states 5 to 8 days of battery life, depending on size and use. Compare exact wearable generations rather than assuming every wrist device lasts only one or two days.

Pros

Manufacturer-stated 5 to 8 day battery range
Continuous body temperature (useful for cycle and illness)
Comfortable to wear to bed
Best-in-class sleep stage detection per third-party comparisons

Cons

Subscription ($5.99/mo) required for full analytics
Smaller form factor = no screen, smaller battery vs smartwatches

Evidence and regulatory context

Potential benefits depend on the studied population, protocol and exact product. A result for one device or ingredient does not establish the same effect for every consumer product. Our comparisons do not establish a diagnosis or an individual treatment plan.

FDA establishment registration, device listing and a device class do not establish approval or clearance of this exact model or every advertised benefit. When clearance is relevant, check the model and the specific intended use. FDA explanation.

This record preserves the prior generation. Compare the current generation.