Sleep tracking technology has become increasingly popular, with many companies offering devices that can help you monitor your sleep. Smartwatches are one such device, and there are several options on the market that provide sleep-tracking capabilities. Some of the most well-known smartwatches with sleep tracking include the Apple Watch, the Google Pixel Watch, the Fitbit, and the Garmin. Each of these devices offers unique features and benefits, such as heart rate monitoring, sleep stage tracking, and sleep analysis, to help users understand and improve their sleep quality. While some users may prefer the convenience and insights provided by these devices, others may find that they require a subscription or have limitations in terms of battery life and comfort. Ultimately, the best smartwatch for sleep tracking depends on individual preferences and needs.
| Characteristics | Values |
|---|---|
| Date | 2025 |
| Top sleep trackers | Oura Ring 4, Apple Watch Series 10, Fitbit Charge 6, Whoop, Withings ScanWatch 2, Google Pixel Watch 2, Fitbit Inspire 3, Fitbit Versa, Garmin Epix Pro, Galaxy Watch 5 |
| Top sleep tracking apps | SleepRoutine, SleepScore, Pillow |
| Top sleep tracking devices | Withings Sleep Analyzer, Google Nest Hub 2nd Gen, Muse S, Sleepon Go2sleep, Oura Ring |
| Important metrics | Heart rate, heart rate variability, sleep stages, sleep duration, sleep efficiency, sleep latency, sleep apnea, blood oxygen, body temperature, SpO2, respiration, restlessness |
| Additional features | Smart alarms, health and fitness tracking, daily readiness score, ECG, sleep scores, sleep goals, sleep reminders, sleep trends, sleep analysis, sleep recommendations |
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Apple Watch Series 10
The Apple Watch Series 10 is a great option for sleep tracking. It offers several improvements over its predecessor, the Series 9, including a larger, brighter, and thinner display. The Series 10 also features a new S10 chip that is single-sided and flatter, making the watch case thinner and lighter overall.
One of the key new features of the Series 10 is its sleep apnea detection capability, which is FDA-cleared. This feature allows users to wear the watch to bed and receive information about their breathing disturbances throughout the night. This data can be viewed and analyzed over time through the Health app, which can help users identify any potential sleep apnea issues. The Health app also allows users to set sleep goals and create customized sleep schedules, including wind-down times to help prepare for bedtime.
The Apple Watch Series 10 also includes a new water temperature sensor and a depth gauge, making it well-suited for water sports enthusiasts. Additionally, the watch offers faster charging and a new speaker. While it does not include blood oxygen sensing, it still provides comprehensive sleep tracking features and is a great choice for iPhone users.
To use the sleep tracking feature on the Apple Watch, users should ensure their watch is charged to at least 30% before bed and wear it for at least one hour each night. The Sleep app on the watch provides data on sleep stages, time asleep, and sleep duration for the last 14 days. The Health app on the iPhone offers additional insights, including sleep history and respiratory rate data.
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Fitbit Inspire 2
The Fitbit Inspire 2 is a slim, lightweight, and comfortable sleep-tracking device. It is designed to track your sleep automatically, so you do not need to start your sleep manually. To get a sleep score, the device needs to detect at least 3 hours of sleep, and only sleep automatically detected will be factored into the sleep score. The Fitbit Inspire 2 calculates your time asleep by subtracting your time spent awake and restless from your overall tracked sleep time. For example, if you slept 8 hours but woke up twice for 15 minutes each, your time asleep would be 7 hours and 30 minutes.
To accurately track your sleep, it is recommended to wear the device higher on your wrist, about 2-3 finger widths above the wrist bone. The band should feel secure but not too tight. If you have issues with the device not tracking your sleep, it may be due to interference from lotion on your wrist, so it is necessary to clean the sensors with a damp cloth. Additionally, wearing the Fitbit on the inside of your wrist, where the skin is thinner, may improve tracking accuracy.
The Fitbit Inspire 2 is a good option for sleep tracking, as it is lightweight and comfortable without sacrificing sensors or accuracy. Fitbit devices are known for their reliable sleep tracking data, and the algorithm is run on Google's servers, contributing to their accuracy. The Fitbit Inspire 2 has been compared to a professional sleep study device, and many users have found the results to be similar to those of a sleep study.
The Fitbit app also provides additional insights into your sleep patterns and quality. It offers a detailed sleep breakdown, including 10 monthly metrics and a sleep animal characterizing your long-term sleep behaviours. However, it is important to note that this feature is intended for informational purposes only and should not be used for medical diagnosis or treatment.
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Google Pixel Watch 2
The Google Pixel Watch 2 is a lightweight smartwatch with robust sleep-tracking capabilities. It is designed to be lighter than its predecessor, making it ideal for comfortable sleep. The watch offers sleep tracking through Fitbit, which is integrated into the wearable. This includes nightly trends, trends over time, a silent alarm, and bedtime reminders.
The Pixel Watch 2 also has a dedicated skin temperature sensor that measures your skin temperature at your wrist while you sleep. After establishing a baseline temperature by sleeping with the watch for three nights, the watch and phone will report the average skin temperature deviation from your baseline in degrees. This information can provide helpful insights for managing your wellness.
The watch also tracks and reports blood oxygen saturation (SpO2) after sleep lasting more than three hours. It has a multi-path optical heart rate sensor that captures up to 40% more accurate heart rate tracking during vigorous activities like HIIT, spinning, and rowing. The watch can also alert you during periods of abnormally high or low heart rate throughout the day.
In addition to sleep tracking, the Google Pixel Watch 2 offers a daily readiness score, ECG, and six months of Fitbit Premium for free. It has a 24-hour battery life and a faster charging rate that takes the battery from 0% to 50% in less than 30 minutes. It is water-resistant up to 50 meters and has a water protection rating of 5ATM under ISO standard 22810:2010.
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Oura Ring
The Oura Ring is a smart ring that tracks your health and sleep. It is a popular alternative to smartwatches for those who find them uncomfortable or bulky. The Oura Ring is made of titanium on the outside and plastic on the inside and comes in two designs: Heritage, which has flat accents, and Horizon, which is a standard, uniform circle. It offers a range of finishes, with six options to choose from.
The ring provides round-the-clock insights into your sleep, fitness, and stress levels. It tracks a variety of health metrics, including heart rate, blood oxygen levels, skin temperature, and daily steps. It can also automatically detect and log workouts, such as running, cycling, strength training, and more. The Oura Ring uses infrared and red and green LED light beams to measure your respiratory rate, heart rate, heart rate variability (HRV), blood oxygen levels, and body temperature. An accelerometer is also built-in to log your activity and movement.
The Oura Ring provides three daily scores: Sleep, Activity, and Readiness. These scores are based on the data collected during the previous day. The ring's app keeps a history of your data, allowing you to see changes and trends over time. While the ring does not require a subscription, having one gives you access to more detailed data and insights, including sleep analysis, blood oxygen sensing, stress insights, and resilience scores.
The Oura Ring has been praised for its accuracy in sleep tracking, with independent studies showing improved agreement with polysomnography, the gold standard sleep test. It has been found to correctly track brief periods of wakefulness during the night. The ring is also lightweight and comfortable, making it ideal for sleep tracking without causing discomfort.
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Galaxy Watch 4
The Samsung Galaxy Watch 4 is a great sleep-tracking option. It has a Sleep tile on the watch, which can be accessed by swiping left on the home screen. The Sleep tile provides a sleep score, showing how long you spent sleeping, your sleep time in hours and minutes, calories burned, sleep stages, blood oxygen levels, and snore detection. The watch also has a sleep coaching program that can help you establish a more organized sleeping schedule. To enable this feature, you need to open the Samsung Health app on your watch, navigate to Settings, and turn on Blood oxygen during sleep.
To ensure accurate sleep tracking, it is important to wear the watch correctly. Samsung recommends positioning the watch the width of two fingers above your ulna, the pointy bone on your wrist. A snug fit will improve blood oxygen and heart rate monitoring and enhance tracking accuracy.
The Galaxy Watch 4 has been praised by some users for its sleep tracking capabilities. One user with the Galaxy Watch 4 reported that the sleep tracking data between their watch and Fitbit Sense was almost perfectly aligned, indicating an improvement in accuracy. However, other users have experienced inconsistencies and issues with the watch not recording their entire sleep duration.
The Samsung Galaxy Watch 4 is a reliable option for sleep tracking, offering insights into your sleep patterns and providing guidance towards healthier sleeping habits.
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Frequently asked questions
Some of the best smart watches with sleep tracking include the Apple Watch Series 10, the Google Pixel Watch 2, the Fitbit Inspire 2, the Fitbit Charge 6, the Galaxy Watch 4, the Garmin Venu 3S, and the Withings ScanWatch 2.
Some of the best non-smartwatch sleep tracking devices include the Oura Ring, the Sleepon Go2sleep, the Whoop Strap 4.0, and the Withings Sleep Analyzer.
Some of the downsides of the Apple Watch for sleep tracking include the short battery life, the need to charge it at specific times, and the fact that it omits complicated data.
One downside of the Withings Sleep Analyzer is that it assumes that you are trying to sleep if you are lying still in bed, which can skew the results.










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