From Oura To Whoop, We Tested The Best Sleep Trackers Of 2025

From Oura To Whoop, We Tested The Best Sleep Trackers Of 2025


From a fitness tracker angle, the Whoop MG is primed for athletes wanting to maximize their activity and recovery — that’s why Mashable’s Christianna Silva wore it to train for the NYC Marathon. But purely based on sleep, it’s the best sleep tracker. It takes on the classic wristband design among fitness trackers, but unlike an Apple Watch or Fitbit, it has no screen. That keeps things distraction-free as you rest. The small device sits comfortably on your wrist, so you can forget it’s there.

It’s best for someone who wants to be told what to do regarding sleep. After calibrating your habits, it will provide details on the best bedtime for your designated wake-up time. Plus, it has a built-in alarm clock that gently vibrates to wake you each morning.

The Whoop MG is a phenomenal fitness tracker, but for the average person, it’s overkill due to its wordy interface and extensive activity metrics. However, when it comes to sleep, it’s equipped to help you on your sleepmaxxing journey.

If you’re used to wearing a smartwatch, you’ll be shocked by just how comfortable the Whoop MG is. With a slim, unobtrusive design and no buttons, there’s nothing to dig into skin. While comfort is important when evaluating a sleep tracker, it’s the data that really matters. Its sleep tracking is extensive. It calculates a sleep performance score each day and provides feedback on how it might affect your recovery and performance throughout the day. The data is accurate, noting restless moments and sleep interruptions.

What impressed us most about its sleep tracking is its bedtime recommendations. Our tester is an insomnia sufferer; falling asleep is often a battle. Whoop provides optimal bedtimes, much later than our tester expected, but helped schedule an actually restful night’s sleep. Plus, if you want to reduce screen time and eliminate your phone’s alarm clock, the Whoop has a built-in alarm clock. It gently wakes you through vibrations and even offers a snooze option. It’s an accessible choice for everyone, even those with hearing loss.

While it doesn’t necessarily apply to sleep tracking, it should be mentioned that the Whoop has the most ingenious charging design of any fitness tracker we’ve tested. The charger slides on the device so you can wear it while charging, not missing a beat of your daily activity. Plus, the new Whoop MG has a battery life of 14 days, meaning charging will barely be on your mind anyway.

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