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We've taken a ton of sleep trackers to bed: Here are our top 8

Quit counting sheep and get better sleep with one of the top devices for bedtime tracking.
By
January 2, 2024
Fitbit Charge 6
MSRP: $159.99
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Positives
Useful physical button
Updated heart rate sensor
All sport modes now on device
Google app integration
Negatives
Built-in GPS unreliable
Iterative changes compared to last year
Heart rate broadcasting limited
No altimeter
Withings ScanWatch
MSRP: $299.00
Check price
Positives
Premium, classy design
Long-lasting battery
Easy-to-use ECG monitor
AFib and breathing disturbance notifications
Fantastic sleep tracking
Negatives
Small display limits smart features
Few advanced fitness features or insights
Fitbit Inspire 3
MSRP: $99.95
Check price
Positives
Colorful screen with optional always-on display
Incredible battery life
Continuous SpO2 monitoring
Negatives
No NFC for digital payments
Connected GPS only
Fitbit Premium subscription required for full feature set
Garmin Venu 3
MSRP: $449.99
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Positives
Highly accurate GPS and heart rate sensors
Automatic nap detection and sleep coaching
On-device phone call and voice assistant support
Up to 14-day battery life
Larger display
Negatives
No ECG app
Pricey compared to competitors
No LTE model
Whoop 4.0
MSRP: $300.00
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Positives
Comfortable and attractive design
Screen-free for minimal distractions
Identifies long-term trends
Negatives
Expensive subscription required
No on-wrist details
Data may be too limited for athletes
Withings Sleep
Check price
Positives
Detailed stats
Sleep apnea tracking
Hands off sleep tracking
Negatives
Not accurate for naps
Syncing can be slow
Kokoon Nightbuds
MSRP: $299.00
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Positives
Slim and comfortable
Can play music while you sleep
Negatives
Sleep tracking is a little basic
Case doesn't charge buds
Oura Ring 3
MSRP: $299.00
Check price
Positives
Elegant, jewelry-like design
Unobtrusive tracker
Focus on overall health with three distinct scores
Excellent sleep tracking
Wealth of data and trends
Great web interface
Negatives
Large and thick
Expensive
Nearly-required monthly subscription
Manual workout tracking

Getting a good night’s sleep is one of the most important factors in staying healthy (and happy). If you aren’t getting enough shut-eye, a sleep tracker might be exactly what you need. Fortunately, there are plenty of sleep-tracking apps and devices that can help. We’ve rounded up the best sleep trackers available, including smartwatches, fitness trackers, earbuds, and a non-wearable.


The Fitbit Charge 6 is the best sleep-tracking wearable available

Fitbit Charge 6Fitbit Charge 6
AA Recommended
Fitbit Charge 6
Useful physical button • Updated heart rate sensor • All sport modes now on device
MSRP: $159.99
The Fitbit Charge 6 is the company's 2023 top-of-the-line fitness tracker
When it comes to fitness trackers, the Fitbit Charge 6 is now the best product in the company's portfolio. To get anything better, you'd need to jump up to the Sense 2, which is more like a smartwatch. The Charge 6 has a full-color display, 40 exercise modes, and the most advanced heart-rate tracker Fitbit offers.

Many Fitbit devices nail sleep tracking, and the Charge 6 is no exception. The tracker provides accurate sleep stages and related data, a useful sleep score, and access to Fitbit’s Sleep Profile program. Sleep Profile involves monitoring your sleep for an entire month, then analyzing the long-term data to determine your sleep phenotype — one of six types of sleep habits. Each month, you will find your phenotype in the Fitbit app, along with information about your sleep habits and suggestions for improvement.

For fun, Fitbit also represents each phenotype as an animal: a Bear, Dolphin, Giraffe, Hedgehog, Parrot, or Tortoise. These animals help users understand their behaviors in a playful, digestible way. The program echoes Fitbit’s commitment to offering accessible data analysis and actionable insights.

What further sets the Charge 6 apart is its feature set beyond sleep tracking. Of the devices on this list, the tracker offers one of the most well-rounded experiences available. It’s a solid activity tracker for keeping tabs on all the basics, including steps, heart rate, SpO2, and more. It also offers EDA scans for checking in on stress levels. It boasts more than 20 sports modes now on the device, plus an updated heart rate sensor that leverages AI for improved accuracy. We weren’t overly impressed with the tracker’s built-in GPS, but it does offer connected GPS if needed. It also packs a handful of Google’s top tools, including integration with Google Maps, Google Wallet, and YouTube Music controls, all on a colorful AMOLED display.

In short, the Charge 6 is Fitbit’s top tracker, and in light of recent changes to the company’s stable, the best Fitbit to track sleep. Fitbit has continually stripped its more expensive smartwatch lines of key features to drive shoppers towards the Google Pixel Watch 2. Meanwhile, the new Charge 6 received additional smart features and upgrades to keep it an attractive option. If you can afford the Google Pixel Watch 2, you’ll find the same sleep tracking and an even more robust smartwatch experience, but if you want an affordable, reliable sleep tracker with a few daytime perks, the Charge 6 is our top pick.

What makes them stand out

  • Consistently reliable sleep data: Fitbit offers some of the most reliable sleep tracking data we’ve gotten our hands on. In fact, we often use the brand’s devices to test the performance of other brands when reviewing new wearables.
  • Scientific insights: Fitbit analyzes an unprecedented amount of data and filters it all down to digestible insights you can actually act on. The Sleep Profile program revolutionizes users’ understanding of sleep hygiene and helps users build better habits.
  • It’s a Fitbit: Particularly for those new to tracking, Fitbit offers a well-rounded and approachable ecosystem.
  • Beyond the bed: Once the sun rises, the tracker delivers useful tools right to your wrist, including popular Google apps.

Best of the rest: 7 other sleep trackers worthy of your consideration

Fitbit’s latest tracker is our top pick for the best sleep tracker you can get, but many others are available. These seven devices are also great options for overnight tracking.

  • Withings ScanWatch: The best watch for detecting sleep apnea, the Withings ScanWatch is one of the only wearables to monitor for signs of the condition. The company recently announced a new ScanWatch 2 that we will be sure to test as soon as it is available.
  • Fitbit Inspire 3: For users interested in the Fitbit ecosystem but seeking a smaller form factor, the Inspire 3 is a great, affordable choice.
  • Garmin Venu 3: The Venu 3 is the best Garmin sleep tracker. It offers sleep score functionality powered by Garmin-owned Firstbeat, plus automatic nap detection.
  • WHOOP 4.0: The WHOOP 4.0 is an attractive, comfortable, screen-free tracker focusing on heart rate data and long-term trends.
  • Withings Sleep: The best non-wearable sleep tracker is the Withings Sleep. Place it under your mattress and forget about it till morning.
  • Kokoon Nightbuds: A wearable option for somewhere other than your wrist, Kokoon Nightbuds help you fall asleep to your favorite calming audio and monitor your rest overnight.
  • Oura Ring 3: For an inconspicuous tracking experience by day and accuracy by night, Oura’s latest ring is a great pick.

The Withings ScanWatch is the best for sleep apnea detection

Withings ScanWatchWithings ScanWatch
AA Editors Choice
Withings ScanWatch
Premium, classy design • Long-lasting battery • Clinically validated health sensors
MSRP: $299.00
The Withings ScanWatch is more than just a "specialty" smartwatch
A health-focused hybrid device, the Withings Scanwatch features the aesthetic of an analog watch but packs undercover smarts for tracking your health and fitness, including fantastic sleep tracking. It is even clinically validated to detect early signs of AFib and sleep apnea.

Now available in the US, the Withings ScanWatch is one of the most detailed and accurate sleep trackers we’ve used. On top of recording your sleep duration, depth, regularity, and interruptions, it uses a medical-grade SpO2 monitor to detect breathing disturbances overnight. The ScanWatch performs a Respiratory Scan, which measures your heart rate, heart rate variability, respiratory rate, and oxygen saturation levels.

One downside to the device’s sleep tracking is that it does not monitor your sleep stages. Withings keeps that functionality exclusive to its sleep mat (below). However, if you’re looking for a wearable with a timeless aesthetic and powerful sleep tracking, the Withings ScanWatch is a good pick. It’s one of our favorite wearables we’ve reviewed in the last few years.

As mentioned above, a new ScanWatch 2 ($349.95 at Amazon) is now available for preorder. We will update this list once we test the new device. In the meantime, the original ScanWatch is a gorgeous watch. Hybrid smartwatches are the perfect way to tap into smart features without broadcasting that you’re tracking data. The Withings ScanWatch utilizes such a small display it’s easy to pass off as a traditional timepiece. Meanwhile, the window is the perfect size to get key stats at a glance.

With a stainless steel case and a sapphire glass display, the Withings ScanWatch not only looks great, but it’s also quite durable. We didn’t attempt to smash it during our Withings ScanWatch review, but we didn’t have to worry about cracks or scratches while exercising. It comes in two sizes, 38mm and 42mm, so it is likely a good fit for most wrists. It is, however, slightly heavier than we expected, though the weight just took some getting used to and wasn’t noticeable after a few days, even on long runs.

We know because we took the ScanWatch on a series of runs to test out its heart rate sensor. If you are looking for a workout companion, the accuracy will likely be good enough for most people. The device’s companion app, Health Mate, can also send data to several third-party fitness platforms, including Google Fit, Strava, and RunKeeper.

Where this watch might fall short for shoppers is its smartwatch features. Like most hybrids, the ScanWatch lacks the well-rounded experience you’ll find on full-blown smartphone companions like the Apple Watch or the Fitbit above. If you are looking for something with contactless payment support or a large display, for example, you may want to stick to those options. Apple has consistently improved its overnight offerings in recent years, making Apple Watch sleep tracking a more formidable choice.

What makes it stand out

  • Medically validated: The ScanWatch boasts clinically validated health sensors and offers potentially life-saving AFib and breathing disturbance notifications.
  • Easy on the eyes: A classy device featuring premium build materials, this versatile watch fits in at the bar and in a boardroom.
  • Subdued smarts: The ScanWatch is the perfect device for anyone who wants to track their health without strapping on a sporty smartwatch.

The Inspire 3 is the best affordable sleep tracker from Fitbit

Fitbit Inspire 3Fitbit Inspire 3
AA Editors Choice
Fitbit Inspire 3
Excellent display • Long-lasting battery • Detailed and fun sleep tracking
MSRP: $99.95
Fitbit's entry-level device tracks all the basics, from sleep to SpO2
The slim, comfotrable Fitbit Inspire 3 packs accurate sensors and a bright, colorful display. It also boasts a nearly ten-day battery life so you can track activity by day and monitor sleep overnight, without worrying about daily charging. Plus, each Inspire 3 comes with six free months of Fitbit Premium access.

This will eventually get old to hear, but Fitbit puts out some of the best sleep trackers available. If you want a device with a small form factor, stellar sleep tracking, and an even lower price tag than the Charge 6, Fitbit’s Inspire 3 is a great buy. Like its more expensive sibling above, the Inspire 3 tracks your sleep time and stages (light, deep, REM). It will also record any intervals you spent awake throughout the night.

The Inspire 3 then uses these data sets and your sleeping heart rate to provide a sleep score. We found the device’s scores accurate during our Fitbit’s Inspire 3 review compared to our perceived exhaustion. We were especially impressed when it kept up with largely disrupted sleep patterns due to travel. Compared to other fitness trackers at this price point, the Fitbit Inspire 3 provides fantastic, reliable sleep data. Plus, its slim form factor makes it incredibly comfortable for overnight wear. In the morning, our reviewer especially appreciated the Smart Wake alarms that help optimize your REM cycles. It’s also just a strong wearable with plenty else to offer.

The device offers more than 20 exercise modes for working out plus SmartTrack automatic activity recognition. Unfortunately, GPS is not built-in on the Inspire 3, so you must carry your phone on runs and rides. However, the full-color touchscreen provides easy navigation and on-screen data. Plus, the device offers 24/7 heart rate monitoring and continuous SpO2 tracking for keeping tabs on your health. In short, the device is one of the best cheap sleep trackers available with a lot to offer beyond the bed.

What makes it stand out

  • Affordability: Catching Zs shouldn’t break the bank. This option from Fitbit only costs about $100 but offers fantastic data.
  • Small impressions, big results: If a bulky watch keeps you up at night, this slim tracker might be a helpful option. It’s extremely lightweight and comfortable without sacrificing sensors or accuracy.
  • Fitbit is simply the bestThe biggest strength of the Inspire 3 is its brand name. For the most detailed tracking in the game, Fitbit is the play.

The Garmin Venu 3 Plus is the best sleep tracker from Garmin

Garmin Venu 3Garmin Venu 3
AA Editors Choice
Garmin Venu 3
Highly accurate GPS and heart rate sensors • Automatic nap detection and sleep coaching • Up to 14-day battery life
MSRP: $449.99
Accuracy and smarts.
The Garmin Venu 3 and Venu 3S focus on providing personalized data about your health and wellness with some of Garmin's most advanced body tracking features. The Body Battery function informs you of your activity levels, and new sleep tracking includes nap detection.

If you’re deep in the Garmin ecosystem, we highly recommend the Garmin Venu 3. Arguably the best smartwatch for sleep tracking, the device represents the best of Garmin’s sleep tracking platform with automatic nap detection and on-device sleep coaching. It also packs a powerful tool kit for daytime use, including advanced fitness tracking and highly accurate GPS.

The Venu 3 boasts Garmin’s Sleep Score feature, powered by Firstbeat. Coupled with the company’s Body Battery feature, Sleep Score allows you to dig into your energy levels and determine how well-rested you are each morning. This can be especially helpful for athletes who need to decide what type of training to plan for the day. The watch also offers Daily Summary and Morning Report, two onscreen alerts that help condense data into actionable insights.

Overnight, the Venu 3 measures sleep duration, stages, and total time awake. The watch also tracks blood oxygen levels, respiration rates, and overnight movements. As mentioned, it even tracks automatic nap detection. It also offers sleep coaching with detailed guidance and analysis. Not only does the platform provide a breakdown of your sleep quality, but it also offers tips on how to improve your daily habits and bedtime routine.

Beyond the bed, the Venu 3 is a more well-rounded smartwatch than ever, so we consider it one of the best Garmin watches you can buy. The company’s smartwatch for the masses, we loved the device’s excellent build and incredible GPS accuracy. It also supports on-wrist voice assistants and on-wrist phone calls. Thanks to a recent update, the watch even features an FDA-approved ECG app for taking on-demand readings and monitoring signs of AFib.

What makes it stand out

  • Garmin Connect is dense with data: Garmin’s companion app offers more insight and data analysis than most competitors. For an intense look at your shut-eye, Garmin delivers.
  • It makes Garmin accessible: Unlike Garmin’s Fenix 7 or Instinct lineups, the Venu 3 is an approachable, well-rounded device that won’t overload users with too many niche features.
  • Great all day as well: This device isn’t just a good bedmate; it’s also a well-rounded smartwatch and a very accurate fitness tracker with an FDA ECG app.

The WHOOP 4.0 is the best wearable sleep tracker without a screen

Whoop 4.0Whoop 4.0
Whoop 4.0
Useful recovery data • Comfortable for all day wear • Detailed sleep tracking
MSRP: $300.00
A no-distractions fitness tracker for athletes
The Whoop 4.0 aims to help users determine their daily strain and recovery, leveraging heart rate data. The lightweight tracker can be worn on the wrist or elsewhere on the body with Whoop's sensor-enhanced apparel. Notably, utilizing the Whoop 4.0 requires a monthly subscription.

The WHOOP 4.0 offers a unique tracking experience and very accurate sleep data. The device focuses on users’ all-day heart rate measurements, organizing the results into a breakdown of strain and recovery. The device also features no screen, so viewing data takes place entirely in the tracker’s companion app.

During our review, we found these unconventional aspects of the device refreshing. The screen-free experience means checking in on your data when it’s convenient rather than obsessing over constant metric readouts and notifications. The 24/7 heart rate tracking and focus on strain versus recovery emphasize overall wellness and turn fitness tracking into a relatively passive experience. More importantly, we found the heart rate data accurate and reliable.

Overnight, the WHOOP 4.0 shines. The nylon band and tracker are very comfortable for sleeping, and the multi-day battery life makes it easy to keep the tracker ready for use. You can even charge the WHOOP 4.0 while it’s on your wrist, so you never miss a beat. Compared to the previous model, the 4.0 adds SpO2 tracking and a temperature sensor for even more accurate sleep tracking. During our review, the device nailed sleep and wake times and recorded sleep stages consistent with other reliable sleep trackers.

In addition to the traditional sleep data, WHOOP records users’ input as a Journal feature. Each morning, the app opens with the prompt “What happened yesterday?” inviting users to record details that may be affecting their sleep quality. Individuals can choose what specifics they want to record. Options include everything from hydration, travel, or alcohol intake to caffeine and mental health factors. We found this feature makes it very easy to identify trends and pinpoint the result of specific behaviors regarding sleep quality.

Unfortunately, the WHOOP 4.0 is not a cheap device. While the tracker itself is considered “free” with a WHOOP membership, the subscription fee is $30 per month, and a 12-month membership is required to start. This is not our favorite payment structure for wearables. However, if that monthly commitment doesn’t phase you, the WHOOP 4.0 is an excellent no-frills tracker that can help users make positive changes to improve their sleep.

What makes it stand out

  • A stylish accessory by day or night: The WHOOP 4.0 is very comfortable, but it’s also a fashionable tracker that users can personalize with tons of strap options.
  • Distraction-free: Without a bright screen or disruptive notifications, the WHOOP strap won’t keep you up when it’s time to wind down. Instead, you can look at your data at your convenience.
  • Offers actionable insights: By tracking trends and organizing users’ journal entries, the WHOOP 4.0 helps connect behavior and rest.

The Withings Sleep is the best nonwearable sleep tracker

Withings SleepWithings Sleep
AA Editors Choice
Withings Sleep
Best non wearable sleep tracker • Can detect signs of sleep apnea • Compatible with Alexa
The easiest way to track your sleep and improve your health
The Withings Sleep is a smart sleep-tracking mat that you place under your mattress to analyze your nights— no need to put on a wearable before bed. It tracks your sleep quality, heart rate, and can even track your snoring. It displays the results directly on your smartphone and can identify health disorders such as sleep apnea. In addition, the app comes with insights and suggestions to improve your sleep and to have a more productive day.

If you want a specialized sleep-tracking device that you don’t have to put on your wrist or finger, look no further than Withings Sleep (formerly Nokia Sleep). This smart pad can be placed under your mattress to track your sleeping patterns without sacrificing comfort. While you must be specific when setting it up the first time, you only have to do so once. After you install the mat, you don’t have to touch it again. It’s also quite thin, so don’t worry about feeling anything below you while you sleep.

The Withings Sleep collects your data throughout the night, determining your sleep stages by body movement. The pad tracks all the basics: sleep duration in each phase, interruptions, and heart rate. It also offers some extras you won’t find on a wearable sleep tracker. The Withings Sleep has a built-in microphone that can help detect breathing disturbances. This allows the mat to identify signs of chronic conditions such as sleep apnea.

In the morning, Withings displays all of your data in Health Mate. Health Mate is the same companion app mentioned above utilized by the Withings ScanWatch. Compatible with both iOS and Android phones, Health Mate provides plenty of detailed information, including a sleep score. It even offers tips on how to improve your sleeping habits. If you have any concerns about your sleep quality, you can export your data as a PDF to share with your healthcare provider.

However, one of the best things about Withings Sleep is that it’s a smart home gadget. It’s compatible with Amazon Alexa and other smart home products, allowing you to set up routines that foster a healthy sleep environment. These include scheduling bedtime indicators such as turning the lights off or adjusting the thermostat when you go to bed.

Between the one-time setup and the automatically generated “sleep diary” for sharing data with your doctor, the Withings Sleep is the best no-fuss sleep tracker. For shoppers who want to track sleep but don’t want to fiddle with a wearable, this is the best buy on our list.

What makes it stand out

  • Nothing to wear: Slip into pajamas and hit the hay — this device doesn’t require strapping anything to your wrist or anywhere else.
  • Set it and forget it: The Withings Sleep doesn’t require you to change your routine in the slightest. Tracking occurs automatically.
  • Extra smarts: A healthy sleep environment is key to quality sleep. The Withings Sleep links up with other devices in your home to automate perfect bedtime conditions.

Kokoon Nightbuds are the best earbuds for sleep tracking

Kokoon NightbudsKokoon Nightbuds
Kokoon Nightbuds
Dynamic noise masking technology • Basic sleep tracking • Comfortable fit
MSRP: $299.00
Get a better night's rest with these noise-masking, sleep monitoring earbuds
These versatile earbuds are built with your sleep health in mind. They offer basic sleep tracking and heart rate monitoring, audio masking to drown out background noise from your environment, and a wide array of sounds from the control app. And if you don't want ambient sounds, you can also beam music, podcasts, or any other content from your smartphone via Bluetooth.

If wristwear isn’t for you, but you’re still open to wearables in general, we recommend trying out Kokoon Nightbuds. We really do mean trying out, as the company offers a 30-day trial. These wireless earbuds feature built-in sensors that collect information about your sleep and sleep quality. Using infrared light, they measure your heart rate and its variability and analyze the data to determine your sleep efficiency, length, and quality. In addition, they play first- and third-party audio content and provide sound masking.

Regarding fit, Kokoon Nightbuds are designed to be your most comfortable earbuds. They’re made from extra soft silicone and, at 5.4mm, are considerably slimmer than the average Bluetooth earbud. They also ship with alternative ear tips so you can specify the fit to your ear shape. They’re an ideal headset for sleepers of all kinds, even side sleepers.

Most complaints from reviewers boil down to a few shortcomings. The first is that sleep data is limited. When you review your stats in Kokoon’s app, you won’t find nearly as much detailed information as you would in the Fitbit app, for example. A big-picture look at your habits and sleep quality can’t necessarily be gained from this device. However, that might be fine if you only need the basics and a general view of your sleep each night.

The second complaint frequently mentioned is that there isn’t an extensive library of audio content available through the app. You will find a selection of ambient sounds and storyscapes, but not an endless supply. Luckily, you can now also listen to your own third-party content, alleviating the issue. Plug into your own personal wind-down tunes, and the buds will fade the audio as they detect you falling asleep. Also, the audio will automatically switch to your preference of white, brown, or pink noise.

While Kokoon Nightbuds don’t offer any smartwatch or fitness tracking features, they’re still useful even after you wake up. Use your earbuds as a regular Bluetooth headset to watch TV, listen to music, or make phone calls. The buds don’t charge in their case like many popular brands, though, so don’t forget to plug in between uses.

What makes them stand out

  • Play it by earRather than a bracelet, these buds plug into your ears for an audio experience to help you fall asleep and stay there.
  • Tune in to better sleep: Kokoon Nightbuds offer first-party content ranging from soundscapes to white noise, or you can sync up with popular apps to listen to your own content.
  • Keep it simple: This pick focuses on delivering very basic sleep data for anyone who just wants broad strokes.

The Oura Ring 3 is the best ring for sleep tracking

Oura Ring 3Oura Ring 3
AA Recommended
Oura Ring 3
Inconspicuous • Clean design • Excellent sleep tracking
MSRP: $299.00
An excellent and unintrusive sleep tracker that focuses on personal wellness more than numbers
The Oura Ring 3 is a smart ring that tracks your sleep, activity, and heart rate. Its minimal design makes it inconspicuous to wear while sleeping, working, exercising, or even when out to a fancy dinner. The companion Oura app takes a well-rounded approach to health, focusing on your overall well-being.

Finally, for the smallest sleep tracker you can hit the hay wearing, the Oura Ring 3 offers fantastic data. Rather than a wrist-based wearable, this finger accessory packs tons of power into a considerably smaller form factor. It’s comfortable and discreet. It won’t wake you in the middle of the night with a bright screen or vibrating alert.

During our Oura Ring 3 review, we found the device’s sleep-tracking data just as accurate for detecting sleep and wake times as our trusted Fitbit devices. The ring can also track sleep stages, blood oxygen levels, movement, and HRV. In short, it offers a comprehensive analysis of your overnight behavior without interrupting your sleep.

The Oura companion app is also incredibly user-friendly, distilling sleep, recovery, and activity data down to digestible scores and insights. Rather than overloading users with graphs and figures, Oura focuses on overall well-being goals. The app also adjusts to your specific habits, goals, and need for rest, basing insights on your behavior the longer you use the device.

In short, Oura is the best pick for a relaxed approach to activity tracking and a reliable source for overnight data. Like the Whoop band above, it blends into your day-to-day rather than demanding attention or inundating you with stats. On the other hand, the Oura Ring 3 is not cheap. At $300, it requires an ongoing subscription service fee. Again, the device is similar to the Whoop band in this regard. You can still use the Oura Ring 3 without a subscription. However, you will only have access to the three synthesized scores. You will have to check the rest of your data on the web.

What makes them stand out

  • Small footprintA jewelry-inspired design ensures this tiny tracker will blend into your day-to-day inconspicuously.
  • Accuracy where it counts: We found the Oura Ring 3’s sleep-tracking data reliable, accurate, and comprehensive during our review period.
  • A set-and-forget health companion: Without a screen or haptics, the Oura Ring offers a passive but powerful approach to health tracking.

What to look for in a good sleep tracker

These days, we track everything from steps and calories to cycles and SpO2. Tracking sleep is one more way to gain insight into how your body functions. It can also help improve your health and performance. But where to start? Tracking Zs comes down to finding the right device for you. In addition to your budget, consider the factors below to determine the best sleep tracker for you.

  • Device type: Sleep trackers come in all different shapes and sizes — from familiar devices like smartwatches and fitness trackers to nightstand gadgets and bed pads. If you already track your daily activity on a favorite wearable, keep things streamlined by tapping into its overnight features. If wearing a sleep tracker to bed sounds uncomfortable, look for something you can tuck away or leave on your nightstand.
  • Data collected: Most sleep-tracking devices track movement, heart rate, sleep stages, and time spent awake. However, some just collect the basics for users needing broad-stroke data. How much information your device collects will determine what you can learn. Do you want to know how long or how well you are sleeping?
  • Additional features: Finally, think outside the box (bed?). Many devices offer additional features worth considering that go beyond tracking your rest. Do you want a watch that also tracks activity and other health metrics? What about support for a voice assistant? Our pick for the best non-wearable sleep tracker lets you set up a bedtime routine, including room temperature. Determine what extras will help you optimize your shuteye.

Why you should trust us & how we test

Android Authority has a long history with wearable devices, spanning back at least as far as the Pebble in 2013. Since then, we’ve reviewed hundreds of wearables and learned a lot along the way. Our team of dedicated health and fitness experts tests dozens of new wearables and fitness trackers every year. Only the very best make it onto recommendation lists like the one you are reading. How do we determine what’s worthy? When testing, we have two main focuses in mind: user experience and accuracy. To that end, we start by utilizing the device as a daily driver:

  • We wear the product 24/7, (except for charging time) to evaluate its day-to-day performance, capabilities, and comfort.
  • We note everything from strap materials and display brightness to navigation and battery life.
  • We tap into as many features as possible, leaving no stone unturned.
  • We set alarms, chat with voice assistants, fire off texts, follow breathing exercises, sweat through workouts, and much more.
  • We test sleep tracking accuracy and wear the watch to bed, comparing its data to other products well-regarded for their sleep analysis.
  • We test SpO2 sensors against other wearables or a pulse oximeter.
  • For heart rate monitoring, we equip chest straps to test the device’s accuracy and push the sensor through interval training workouts.
  • We also test GPS accuracy on outdoor runs and rides wearing the device, along with a notably accurate GPS device, to see how the review unit performs.
  • When possible, we strap on a comparable device from the current market to analyze how the review subject stands up to the similarly-priced competition.
  • We dig into the companion app. We look to see how the data is organized and analyzed and evaluate the ease of use.

As you can see, we don’t mess around! There is a ton of variety in smartwatches and trackers, and reviewing each product is quite nuanced. A Garmin Fenix 7 review looks a lot different from a Xiaomi Mi Band review, for example. So, we also determine the wearable’s place in the market regarding form factor, target audience, and budget. Then, we check to see if the device is missing anything important that users might expect to see. Finally, we verify that it matches its brand’s (measurable) claims.

You can trust that our experts put every device through its paces. Typically, our review period lasts about a week. However, we sometimes extend it to weeks or months for especially feature-packed devices. We also regularly revisit watches and trackers to ensure they hold up over time.


FAQs

Depending on your goals, it is safe to say that sleep trackers do “work.” Sleep trackers can absolutely help you gain insight that will allow you to improve your sleep habits.

The devices in this list provide accurate basic data, such as total time asleep. However, consumer sleep trackers can only make educated guesses about your sleep stages as they are not medical devices. The most accurate sleep stage data requires the measurement of brain waves.

Fitbit’s Versa 3 and 4, Sense and Sense 2 offer snore detection, and snoring can sometimes indicate an underlying sleep condition, like sleep apnea. However, Fitbit smartwatches should not be used as a substitute for a medical professional.