Apple Watch Series 11 for $399: If you already have an Apple Watch Series 4 or later, you can use it to track your sleep. Between the heart rate sensor and the accelerometer, your Apple Watch can break down your sleep into four stages. Newer models can also measure blood oxygen and temperature. This seems like a general observation compared to some of the other sleep trackers I’ve tried, and there’s no sleep score, though that’s apparently by design (it’s debatable whether you need more data or not).
Garmin Epics Pro (Gen 2) for $1,000: All of Garmin’s fitness trackers track sleep to some degree, but the Epics Pro has what Garmin calls advanced sleep monitoring, or the ability to track sleep stages, your blood oxygen saturation, your respiratory rate, and restlessness. Contributor Adrienne So found that the Epix Pro caused her to routinely get half an hour to an hour more sleep than most nights, as double-checked by Whoop and Ora. It doesn’t even add naps to your sleep score.
Google Nest Hub (2nd generation) for $100: The Nest Hub uses radar to track your sleep, meaning you don’t need to wear a tracker; It also has a microphone to track snoring, sleep talking, and other nighttime sounds. I like the Nest Hub on my nightstand for smart home controls, family photos, and listening to sleep sounds or podcasts in bed, but the sleep tracking consistently overestimated my REM stages and waking periods recorded by other trackers. While I used multiple trackers simultaneously, the Nest Hub stood out. —simon hill
Muse Ace Athena Headband for $475: This headband has sensors capable of tracking your brain activity, similar to an electroencephalogram (EEG), as well as an accelerometer and gyroscope, and a PPG sensor to measure heart rate and blood circulation. It’s primarily a meditation aid designed to help you relax, but it can also track your sleep by recording your heart rate, respiration, sleep time, and how much you moved around for an overall sleep score. Sadly, I found it uncomfortable to wear and often woke up to find that sleep tracking had failed, usually because I had removed it during the night. —simon hill
Photograph: Simon Hill
Withings Sleep Tracking Mat for $200: Another option for wearables, this sensor-packed mat from Withings slips under your mattress where your chest rests. You need to calibrate it during initial setup, but it’s quick and easy. It tracks your activities, breathing, and heart rate throughout the night, detects snoring or other sounds, and alerts you to potential breathing problems that could indicate sleep apnea. I have doubts about the accuracy because it is assumed that if you are lying in bed watching TV or reading you are trying to sleep, and this may lower your score (although it is best to use your bed for sleeping only if you suffer from insomnia). I found that periods of wakefulness are often marked by light sleep. It does require a power outlet, but that means you don’t have to worry about charging). —simon hill
Withings ScanWatch 2 for $370: Wear the Withings ScanWatch 2 in bed and you’ll get a sleep score out of 100 in the morning. It covers the same four stages as other trackers (awake, REM, light and deep) but boasts a PPG sensor to measure your respiratory rate. It can also track your heart rate, temperature and blood oxygen level. The ScanWatch 2 provides abundant data and advice in the Withings app. However, some people may find it heavy and uncomfortable for sleep, and it caused problems distinguishing between light sleep and when I was awake in bed. —simon hill
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