Got mine in October last year. The sleep recording works great. I have horrible sleep habits: staying up late, late workouts, falling asleep on the couch watching TV, etc. It does a really good job figuring out when I’ve actually gone to sleep (vs sitting there in the dark watching tv) and actually woken up for the day, and any wake-ups in between (bathroom, turn off the tv, move to bed, etc). It’s nice to quantify my time spent sleeping, in that regard. Mostly I just pay attention the “deep sleep” time and total sleep time figures. Usually my deep sleep is concentrated in the early 1/3 of the night with a cumulative 70+/- minutes. If it’s a lot less than that, or spread evenly all over I probably got horrible sleep and feel terrible.
The hrv and rhr (resting hear rate) is recorded continuously overnight. There’s a few patterns I’ve noticed, but I’ve had trouble doing anything concrete with them. Ie, I’ve never not-trained because of those values. At best they just confirm that I feel like crap (usually because I didn’t get enough sleep).
I don’t like any of the day-activity nags – that aspect just doesn’t appeal to me. I’ve basically turned off all the notifications from the app. Wearing the ring during a trainer workout it does a pretty good jobs figuring out I’m doing something high-intensity, but usually I put it on the charger when I’m working out. Entering bike workouts manually is fine, but if you don’t do it before the day is over you’ve lost your chance (and I do evening workouts a lot and forget until 12:01 and miss it!). I looked into their api to try and automate strava workouts going into the oura-cloud, but it doesn’t look like you can write workouts, only read summaries. It might actually be more interesting to see oura data on the TR calendar or TSS timeline…