I’ve always preferred to wear my Oura ring on my ring finger. The company says that “for optimal performance and accuracy,” it’s best to wear it on your index finger, but that any finger can work. And ...

Personally, I’ve worn both, but as I’m typing this I have a gen 3 ring on my finger—it’s absolutely fine. (You can read more about my long-term experiences with the Oura rings here.) ...