Optimize your REM sleep with the best sleep tracker of 2025
We rounded up the best sleep trackers from Whoop, Oura, Anker, and Fitbit. The best sleep tracker is the Whoop 4.0.


A good night's sleep is the best gift you can give yourself, but with the constant cycle of bad news and increased stress of daily life, it's no surprise that many of us are tossing and turning at night rather than catching some z's. A 2023 study out of Brigham and Women's Hospital in Boston found that just 31 percent of people are getting the recommended seven or more hours of sleep a night. If you're part of the other 69 percent, then consider a sleep tracker.
Sleep trackers — wearable devices that monitor all your vitals — provide detailed summaries of your sleep cycle so you know how many hours of REM, deep, and light sleep you're getting. Most fitness trackers come equipped with sleep tracking these days, but choosing the best from that bunch is not relatively as straightforward. These days, sleep trackers come in all shapes and sizes, and luckily, our experts here at Mashable have tested all of them.
If your sleepmaxxing routine of magnesium supplements and pillow sprays isn't cutting it, here are the best sleep trackers of 2025.