Ashwin Lewis
SleepScore is a sleep-tracking app that works with iPhones 6 or newer and certain Android phones. It uses ultrasound reflection to track sleep. SleepScore was compared to other sleep-tracking apps and devices in a study, and it performed well at measuring sleep efficiency and sleep latency. However, it did not perform as well as the Pixel Watch, Galaxy Watch 5, and Amazon Halo Rise at measuring sleep stages.
| Characteristics | Values |
|---|---|
| Sleep tracking apps | SleepScore, Sleep Cycle, SleepRoutine, Sleep as Android, Pillow, Sleep Sheep, Ultrahuman Ring Air |
| Sleep tracking wearables | Oura Ring, Ultrahuman Ring Air, Galaxy Ring, Pixel Watch, Galaxy Watch 5, Galaxy Watch 6, Galaxy Watch Ultra, Withings ScanWatch 2, Apple Watch |
| Sleep tracking features | Sleep score, sleep stages, sleep efficiency, sleep latency, sleep apnea, blood oxygen, skin temperature, heart rate, heart rate variability, snoring data |
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What You'll Learn
Sleep-tracking apps
SleepRoutine: This app-based sleep tracker is compatible with both iOS and Android devices. It provides detailed nightly reports that break down your sleep into different stages, including awake, light sleep, deep sleep, and REM sleep. SleepRoutine also offers a smart alarm function that gently wakes you up during light sleep, helping you feel more refreshed. The app allows you to add notes to better understand your sleep patterns and provides statistics over time. While it offers a free trial, the full version requires a subscription.
Ultrahuman Ring Air: The Ultrahuman Ring Air is a lightweight ring-based sleep tracker that offers accuracy and valuable insights. It features a medical-grade temperature sensor, a PPG (photoplethysmography) sensor, and a motion-sensing IMU. The accompanying app provides charts for sleep stages, heart rate, heart rate variability, and temperature. Ultrahuman also provides personalized recommendations, such as optimal times for daylight exposure, stimulant consumption, and bedtime based on your circadian rhythm.
Oura Ring: The Oura Ring is a lightweight, Bluetooth-enabled, and rechargeable sleep tracker worn on the index, middle, or ring finger. It provides in-depth sleep data, including sleep stages, sleep efficiency, and sleep latency (time to fall asleep). Oura also offers additional insights, such as heart rate and heart rate variability (HRV) readings. The company has a team dedicated to understanding sleep physiology and researching the science of sleep. While basic features are available, advanced insights require a monthly membership.
Galaxy Ring: The Galaxy Ring is another ring-based sleep tracker that integrates with the Galaxy Wearable and Samsung Health apps on your phone. It tracks sleep patterns by measuring your heart rate, blood oxygen, and skin temperature while you sleep. The app provides insights into your sleep time, sleep score, sleep stages, and even snoring data. The Galaxy Ring can help guide you towards healthier sleeping patterns and track your progress.
SleepScore: SleepScore is a sleep-tracking app that works with newer iPhones and specific Android phones. It offers sleep tracking and provides insights into sleep efficiency and sleep latency. SleepScore has a Wind Down feature that turns off notifications and locks your phone before bedtime, helping to reduce screen time. While it provides sufficient sleep tracking, other devices like the Oura Ring offer more advanced insights.
These are just a few examples of the many sleep-tracking apps and devices available on the market. Each offers unique features and insights, so it's important to choose the one that best aligns with your needs and preferences. Remember to prioritize your sleep health and consult with relevant experts if you have concerns about your sleep quality.
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SleepScore and Sleep Cycle
SleepScore uses ultrasound reflection to track your sleep, while Sleep Cycle likely uses actigraphy, a non-invasive method of monitoring human rest and activity patterns. Sleep Cycle's algorithm calibrates your sleep quality on the first night and becomes more accurate over time as it collects more personal sleep data. SleepScore also provides a smart alarm feature to wake you up at the ideal time in your sleep cycle.
Both apps have received positive reviews for their ability to provide insights into sleep patterns and offer advice for improving sleep quality. SleepScore users have reported feeling more focused and energised after following the app's recommendations, which have led to an increase in their sleep scores. Similarly, Sleep Cycle users have praised the app for its accuracy in tracking sleep stages and duration, with its charts for heart rate, heart rate variability, and temperature.
In a study conducted by WIRED, SleepScore was one of the lower-performing apps, along with Pillow, while Sleep Cycle was not included in this particular study. However, it is important to note that the study only included a small number of participants (75) and may not be fully representative of the performance of these apps. The overall winner of the study was the SleepRoutine app, which applies an algorithm to respiration sound.
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Ultrahuman Ring Air
The Ultrahuman Ring Air is a non-invasive smart ring that tracks your sleep, recovery, and movement to offer insights and tips via an app on your smartphone. It is a direct competitor to the Oura Ring Gen 3, which is another smart ring. The Ring Air is priced at \$349, which includes a "lifetime subscription" to access your data and insights.
The Ring Air is chunky and masculine, with a thickness of around 2.5mm. It is noticeable, but it is also smooth and comfortable. The smaller sizes weigh 2.4 grams, while the larger ones weigh around 3 grams. The ring has an IPX8 water resistance rating, meaning it is fine to wear in the shower or pool. It can also be worn during activities like scuba diving, as long as it is not submerged for more than 12 hours continuously. The ring connects to the Ultrahuman app via Bluetooth 5 Low Energy (LE) and syncs in a few seconds.
The Ring Air provides three scores: Movement Index, Sleep Index, and Recovery Score. The Sleep Index quantifies sleep efficiency, restfulness, total sleep, sleep heart rate, and more. The Recovery Score is based on resting heart rate, HRV, temperature, sleep quality, and movement. The ring also measures other biomarkers such as heart rate variability (HRV), active heart rate, and skin temperature. These measurements are given in a readily available stress score. The app also has a Timeline feature, where you can log activities and nutrient intake. There is also a Zones tab for socialising with other ring wearers and a Discover tab for workouts, meditations, and bedtime stories.
The Ring Air has a battery life of up to 6 days on a full charge, although some users report getting closer to 4-5 days. It takes about 3 hours to charge the ring fully. The ring tends to get heated during charging and can feel warm to the touch when put on again. Some users have also reported issues with the sleep tracking accuracy of the ring, with sleep tracking being consistently lower on the Ring Air compared to other devices. However, the ring's tracking accuracy for other metrics like temperature, activity, and heart rate has been found to be accurate and reliable.
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Galaxy Ring
The Samsung Galaxy Ring is a smart ring designed to track your health and sleep. It is compatible with Android phones (Android 11 and newer) but works best with a Samsung Galaxy phone. The ring is crafted from titanium and features a lightweight, elegant, and timeless design. It is available in three scratch-resistant finishes and comes with powerful wellness tracking capabilities enhanced with Galaxy AI.
The Galaxy Ring provides detailed insights into your sleep patterns and how they contribute to your energy levels. It tracks various metrics, including sleep time, restfulness, physical and mental recovery, sleep cycles, and sleep stages. The ring also monitors your heart rate, blood oxygen levels, and skin temperature while you sleep. This data is used to calculate a Sleep Score, which rates your rest on a scale of 100. Additionally, the Galaxy Ring offers an Energy Score, which takes into account your sleep and previous day's activities to provide insights into how active you should be.
To use the Galaxy Ring, you must connect it to the Galaxy Wearable app on your phone. The app allows you to view your sleep data, including sleep time, sleep stages, skin temperature, heart rate, and blood oxygen levels. It also enables you to add sleep records manually. The Galaxy Ring integrates with the Samsung Health app, which provides a comprehensive health report and offers wellness tips based on your data.
The Galaxy Ring is a comfortable and subtle alternative to smartwatches for tracking your health and sleep. It provides a less distracting experience than a smartwatch, as it lacks a screen and notification delivery. The long-lasting battery life of the Galaxy Ring is also noteworthy, requiring a charge only after almost a week of use. Overall, the Samsung Galaxy Ring is a stylish and functional smart ring that offers valuable insights into your sleep and energy levels.
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Oura Ring
The Oura Ring is a sleep-tracking device that provides in-depth data about your sleep quality. It tracks your sleep by measuring your heart rate, respiration, heart rate variability, blood oxygen levels, body temperature, and movement. The ring has sensors that measure directly from the arteries in your finger, capturing the signal as it leaves the heart. This allows for more accurate data than wrist-based wearables, which measure from surface capillaries. The Oura Ring provides a comfortable and simple solution for personal at-home sleep tracking, allowing you to measure your sleep without bright screens or notifications disrupting your sleep.
The Oura Ring gives you a Sleep Score, which is calculated based on your total sleep time (including naps), sleep efficiency, sleep latency, time spent in REM sleep, and deep sleep. It also considers how often you wake up and move during the night. The ring uses algorithms to combine these metrics and provide a complete picture of your unique sleep patterns. The data is presented in an app, which gives you a daily Sleep Score as well as scores for "readiness" and "activity". The app also determines your chronotype (whether you're a morning person or a night owl) and body clock after 90 days of use.
In addition to sleep tracking, the Oura Ring can also provide insights into your overall health and well-being. It can track your heart rate variability (HRV), which can indicate sleep "stressors" such as travel, anxiety, or possible illness. The ring may suggest a rest day when it detects significant changes in HRV. The Oura Ring can also be integrated with other popular platforms, such as the running and fitness tracking app Strava, allowing users to see their readiness data and activity data in one place.
The Oura Ring has a sleek and discreet design, made from titanium and resembling a wedding band. It comes in various colours, including silver, gold, rose gold, black, and matte black. The ring is comfortable to wear all night and can be worn alongside other jewellery. While the Oura Ring provides a wealth of data, it is important to note that the accuracy of sleep tracking may vary by individual. Some users have found that the ring taught them valuable lessons about good sleep habits and helped them prioritize sleep. However, others have found that the ring may not always correctly measure sleep duration or cycles.
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Frequently asked questions
No, Sleep Score is an app that works in the background while you sleep. It will not cause your phone to ring.
Sleep Score is a sleep-tracking app that works with iPhones 6 or newer and certain Android phones. It provides a score for each night's sleep based on various factors, including sleep efficiency, time in bed, and sleep latency.
Sleep Score uses sonar technology, emitting sound waves from your phone's speakers that deflect off your chest as you breathe. The app's algorithms then use this information to analyze your sleep.
Yes, there are several other sleep-tracking apps available, such as Sleep Cycle, Pillow, and Sleep as Android. These apps offer similar features and functionality to Sleep Score, and some may be compatible with a wider range of devices.
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