The Oura Ring 4 is a competitive sleep tracker, with insights into everything from sleep efficiency, restfulness, readiness, latency, and more. I’ve been using the Oura Ring for a while now, and it’s not only given me deeper insight into my sleep but also supplements those data points with explanations behind the numbers. Oura claims to accurately track sleep cycles, total sleep time, resting heart rate, heart rate variability, and movement.
These features have been enhanced through the rollout of the fourth-generation Oura Ring, which hit the market in October. The Oura Ring 4 has smart sensors, allowing more accurate and continuous data capture. It’s also more comfortable than the Oura Ring 3 and has flattened sensors that make it easier to wear over time.
Every morning I get a sleep score for last night’s sleep and view my heart rate, my sleep efficiency, and my suggested bedtime range for the day. The sleep score helps me understand my energy levels for the day and my activity bandwidth, like whether I should exercise or rest. But it’s not just deep sleep that it can track and point out; the Oura Ring can detect the shortest of naps and factor those into your sleep score for the day. Plus, the sleep tab on the app offers information on sleep efficiency, restfulness, REM, deep sleep, latency, and timing, so you can dig deep and go beyond viewing only a sleep score and your time spent in bed.
As if there aren’t enough sleep-friendly features through the Oura Ring, Oura also unveiled a body clock feature that teaches you more about your circadian rhythms and body clock. The feature measures my sleep chronotype, calculated by my body temperature, sleep-wake cycle, and physical activity, and through this data gathered that I’m most productive during the late morning.
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The battery life is masterful. It charges quickly and stays charged for around five to six days. Oura says that the new generation’s battery life lasts eight days, but I haven’t found that to be the case in my testing. The one downside to the ring is the extra $72 you spend on the Oura subscription a year, on top of the $350 you just spent on the ring itself.
Redditors also agree that the Oura Ring, as a sleep tracker, is worth it. “If you struggle with sleep quality, overtraining, or anything else that affects recovery, I’d say it’s worth it,” one user wrote in a thread. However, one Best Buy reviewer noted that the ring doesn’t offer half sizes, which could be an issue if your fingers swell.
Oura Ring Gen 4 specs: Up to 8 days battery life | Sleep cycles | Bluetooth | Up to 100m water resistant | Blood oxygen, skin temperature sensor, heart rate monitoring | iOS and Android compatible
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