It combines the data it gathers each night to best approximate your sleep quality and cycles. We may be unaware of habits that have a negative effect on our health, so being able to trust the accuracy of the data is key.Īpple Watch's sleep tracking abilities make it stand out from the rest. Data has the power to reveal our habits and motivate us to improve. The best sleep tracker overall is the Apple Watch Series 8. Read the review: Oura Ring 3 review: Unobtrusive 24/7 health tracking with more to come in 2022 More specifically, the Oura ring is 65% accurate in detecting light sleep, 51% for deep sleep, and 61% for REM sleep.Īccording to ZDNET's Matthew Miller, a new sleep tracking algorithm "will provide even more accuracy that we already see with the Oura Ring" in future updates. The technology combines and converts this information into a sleep score.Ĭompared to a polysomnography, a medical test used to diagnose sleep disorders, the Oura ring proves to be 96% accurate in detecting sleep. Oura claims to accurately track sleep cycles, total sleep time, resting heart rate, heart rate variability, and movement. Tech specs: Up to 7 days battery life | Sleep cycles | Bluetooth | 7.9mm wide, 2.55mm thick | Up to 100m water resistant | Blood oxygen, skin temperature sensor, heart rate monitoring | iOS and Android compatibleĪnother wearable device is the Oura Ring which, unlike other more popular trackers, is worn on a finger rather than wrist. Read the review: Apple Watch 8 is a sleeper hit Older compatible versions can also get sleep tracking through an iOS update, and the Apple Watch Ultra also tracks sleep, if you're wanting the most advanced rugged tech. I loved having insight into the one thing I wasn't used to tracking - my sleep." The data is available as soon as you wake up, and, if you enjoy an Apple ecosystem, it can be paired seamlessly with your iPhone's focus mode to detect when you're awake.Īccording to ZDNET's own Christina Darby, "The Apple Watch became just as much of a nighttime accessory as my retainer. The Apple Watch now tracks how long you spend in bed and asleep, as well as sleep stages, like REM, core (light) sleep, and deep sleep. Notoriously popular among both smartwatch and Apple fans, the newest Apple Watch comes with WatchOS 9 from the get-go. Tech specs: Up to 18-hour battery life | Sleep cycles | Wi-Fi, Bluetooth, GPS, and/or cellular options | 41mm and 45mm models | IP6X dust and water resistant | Blood oxygen, body temperature sensor, EKG, irregular heart rate alerts | iOS only If you see inaccuracies in our content, please report the mistake via this form. If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNET's editorial team writes on behalf of you, our reader. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNET nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. ZDNET's recommendations are based on many hours of testing, research, and comparison shopping.
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