What finger should I wear a smart ring on?

The index finger provides the most accurate readings due to strong arterial flow. The middle and ring fingers also work well. Avoid the thumb and pinky — signal quality drops. Most people choose the index finger of their non-dominant hand for comfort.

Can a smart ring replace my smartwatch?

For sleep tracking, absolutely — rings are better. For daytime use, rings lack displays, GPS, notifications, and apps. Most serious health trackers wear a ring for sleep and a watch for daytime activity. They complement each other rather than replacing one another.

Best Smart Rings for Sleep Tracking 2026