![]() We looked for reports from the company or from scientists, either through open access (with code and data) or preferably through peer-reviewed publications. Once you’re caught up, keep reading to learn how we evaluate each wearable sleep tracker, how sleep is measured, and reviews of the most used and popular wearables currently on the market.Ĭriteria we use to recommend wearable devicesġ. ![]() If you don’t, you can read about the different sleep stages here. Two questions we often get are, “Which sleep tracker is best?” and "Which is the most accurate sleep tracker?" We’ll help you decipher how some of the top sleep wearables perform and identify the most useful information you’ll get from each device.īefore diving in we're presuming you know the basics of light sleep, deep or slow wave sleep, and REM sleep. ![]() Sleep tracking technology won’t give you all the answers, but it will provide many of the clues you need to troubleshoot your sleep and improve you sleeping habits. It’s also important to note that while many sleep tracking apps provide high-quality information about your heart rate, heart rate variability (HRV), respiration, body temperature, and even blood glucose, no wearable sleep tracker provides perfect sleep staging. Keep in mind, though, that measuring sleep is a nuanced, and sometimes confusing process, not just for those of us looking for more rested nights but also to scientists who identify the causes and risk factors for sleep disorders. It’s the first step toward getting a clearer picture of your sleep patterns.Īs the poor-sleep epidemic continues unabated, knowing (and understanding) your sleep data is one way you can start to tackle your own sleep issues and put yourself on the road to optimal rest. Although you don’t need a sleep tracker to tell you that you’ve had a fitful night, wearing a sleep tracking device to bed can help you pinpoint the habits and environmental factors that may be keeping you from getting a good night’s rest.
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