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In this 2026 edition, we’ve carefully selected the 10 best sleep tracker apps available today, comparing accuracy, features, ease of use, and value. No matter if you’re a casual sleeper or a data-driven biohacker, this guide will help you find the app that fits your lifestyle and sleep goals. Whether you prefer a simple smartphone app or a device-integrated experience, there is an app that can sync perfectly with your lifestyle. I’ve tested various apps during my many years working in sleep science, and I find that no one-size-fits-all solution exists—only the best apps tailored to your unique needs. I’m excited to share my personal and professional journey through the evolving world of sleep tracking. Over countless nights of research, self-experimentation, and clinical observation, I’ve uncovered the incredible benefits of harnessing technology to optimize sleep quality.
You tell the app when you need to wake, then you place your phone next to your pillow or on your nightstand when you hit the sack. The app will decide when you’re in your lightest sleep phase around your programmed wake-up time, so you’re not trying to fight against deeper sleep phases. Rest assured, any of these trackers will help you better understand your sleep patterns and work towards those refreshing nights you deserve. Don’t forget you’ll need a membership subscription for the first 12 months to access features like Autopilot temperature adjustment and sleep tracking.
If you just want to crawl into bed and have all of your sleep quality recorded and ready for you to digest in an easy-to-use app, the Withings Sleep is the perfect sleep tracker for you. In my tests, Sleep Cycle detected fewer of my recorded awakenings compared to other apps but still provided a reasonable assessment of my overall sleep quality. Ultimately, the Apple Watch is a great choice for iPhone users interested in wearable smart tech but still on the fence about a dedicated sleep tracking device. There’s a variety of sleep-related tech on the market right now, which can make trying to find the right one for you downright daunting. “A good sleep tracker should be comfortable, have a good battery life, an easy-to-use app, and should be within your budget,” says Chisom Ikeji, M.D., a critical care doctor and NatureMade wellness ambassador. We used SleepScore for a week, placing the phone by the bedside as instructed and starting the sleep tracking process.
The sleep tracking is solid and benefits from being part of a larger health ecosystem that tracks steps, heart rate, exercise, and nutrition. If you’re already in the Fitbit ecosystem, the sleep features are excellent and integrate seamlessly with everything else. If you’re not, there are more affordable options specifically focused on sleep tracking alone. I’ve tested and reviewed a wide range of sleep trackers for years, from wristbands and smart rings to under-mattress pads and everything in between. Through exposure and testing, I’ve developed a deep understanding of what makes sleep trackers both accurate and genuinely useful. I also test each product in real-world conditions, assessing comfort, sensor precision, data reliability, and is madmuscles safe how actionable the garnered insights truly are.
Unfortunately, this feature is exclusive to premium users, so we didn’t get a chance to test this out. Overall, we feel that this app is the best if you’re looking for a comprehensive sleep tracking app that offers more than just sleep tracking. In October, we swapped out the Apple Watch Series 10 for the Apple Watch Series 11. The new smartwatch offers a longer battery life and hypertension detection. We also included the Pixel Watch 4 as a great Android smartwatch for sleep tracking. If I am consistent with my sleep, I see how it translates into “Solid” or “Exceptional” resilience, which further encourages me to keep up the trend.
Favoured by wellness enthusiasts and sleep experts, previous versions of the Oura Ring have been scientifically proven to line up with polysomnography testing. The brand’s latest iteration, the Oura Ring 4, performed almost perfectly when I put it through its paces and compared its metrics to my own sleep diary. Get full access to premium articles, exclusive features and a growing list of member rewards. Our journalists combine independent research with (occasionally) over-the-top testing so you can make quick and confident buying decisions. Whether it’s finding great products or discovering helpful advice, we’ll help you get it right (the first time). After playing hours upon hours of video games — you’re welcome — here are our favorite Wirecutter-approved gadgets.
The sounds are processed locally and discarded after a user-specified period. Users can adjust this setting in the app’s menu after creating an account, though it would be more user-friendly to have this option available during setup. Lastly, we also found it rather strange that there wasn’t a timer to stop the soundtrack. This meant that you would have to turn it off manually when you were about to fall asleep.
We prioritized having a variety of options (rings, watchbands, and headbands), and chose to base our top picks around digestible health measurements, comfortable wear, and ease of use. The Oura also offers other useful sleep-related features, like a Body Clock that shows your optimal sleep window, which it calculates using your chronotype. It calculates this using around 90 days of data, including your sleep patterns, average body temperature and activity. The Body Clock function is shown as a clock graph with your optimal sleep window and current sleep patterns, so you can easily compare the two.
By correlating sleep quality with logged activities like exercise, meals, and stress levels, apps help identify specific behaviors that affect your rest. The band also delivers multi-day battery life, offering a much more convenient charging schedule than most smartwatches or trackers. You can even charge it while it’s on your wrist, so you never need to interrupt your routine.
If you don’t wish to sleep or nap, you can also utilize the app for focus sessions when you need to get important work done. While not 100% accurate, the Fitbit data showed a strong correlation with polysomnography results. The ZDNET team is constantly testing and ranking products, swapping out older models for newer ones, and removing products that are no longer competitive. Whether a product costs $30 or $300, we want you to get your money’s worth.
I’ve tested enough wearables to know that “affordable” doesn’t mean unreliable. If you’re looking for a lightweight, low-profile tracker that delivers excellent sleep data without a high price tag, the Fitbit Inspire 3 is my top recommendation. It may not offer all the bells and whistles of the company’s Charge 6, but it accurately tracks all major sleep metrics and does so from a comfortable form factor. Accuracy studies on these devices are limited, but preliminary research suggests they achieve 65-75% accuracy for sleep/wake detection compared to PSG.
The key takeaway is to use sleep tracking apps as tools for self-awareness and behavior change rather than diagnostic devices. If you notice persistent problems, consult a sleep specialist for proper evaluation and treatment. Some features need consistent tracking before they unlock, which can feel frustrating initially, and the free version is somewhat limited compared to the comprehensive experience premium users enjoy.
White Noise Deep Sleep Sounds has compatible versions for various devices, with no external hardware required. The lifetime free version makes it accessible, and there are affordable options to pay weekly, monthly, or annually for those who want premium access. Its affordability, user-friendly interface, and wide variety of sound options makes it the clear winner in this category. Better sleep starts with understanding your patterns and creating habits that support deep rest.
Ultimately, Whoop is best suited to professional and amateur athletes who want to understand more about their training intensity and recovery. Part of the brand’s USP is a ‘strain’ score which measures your body’s total physiological exertion, particularly cardiovascular and muscular load, on a non-linear scale from 0 to 21. I was pleasantly surprised to find classics like A Midsummer Night’s Dream and Beauty and the Beast, paired with top-notch narration and custom music.