A new sleep tracking study just compared the Oura Ring to the Apple Watch and Fitbit – here’s which one is the most accurate

When it comes to comparing the best fitness trackers, sleep tracking is a key aspect to consider. But when testing different sleep tracking devices like the Oura Ring, Fitbits, and even the Apple Watch, it can be difficult to tell based on anecdotal evidence alone which wearable will provide the most accurate data overnight.

For those wanting more accurate sleep tracking comparisons, there is now scientific evidence that one of these devices is more accurate than the others.