Oura is really a sleep tracker, not an activity tracker (even if they say it tracks activity.) The new ring does add some during the day HR tracking, but from what little I have looked I wouldn’t use it as a primary source of activity data.
I think it does quite well on sleep tracking, and from what I have seen they have put some work into testing and validating against medical grade sleep tracking. That said, I don’t think that the deep/light/REM amounts on any consumer level device are all that good, and are mostly guesses from movement.
Oura data is synced to interfals.icu, but that is resting HR/ HRV/recovery, etc. Honestly the lack of a good place to synthesize all of my data is I think the biggest limitation of these types of trackers. I need to look at intervals.icu in more depth now that they track recovery/sleep data from the oura.
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