I've seen a few posts about this, but the fixes don't seem to apply to me. Most say the issue is with the Batter Saver.
My Battery Saver is OFF
Wrist Heart Rate monitor os AUTO
I am getting WRH data through the day, as well as all other expected stats. But every morning, no sleep data recorded.
Been through the manual and all indications are it should be happening of its own accord
Lastly, any advice offered, please use words and basic instructions. This is my first smart watch, so there's a lot about what it can do that I just don't know or understand.