Based on your experiences with your CPAP journey, does this sound reasonable or am I overthinking this (it wouldn't be the first time).
This is a great approach to take. I wouldn't keep it on those settings for longer than a couple weeks though. Check the airflow signal, leak values, and general pressure you "hang out at happily" in SleepyHead (hopefully you're using it or have downloaded it).
After a couple weeks you can try setting your pressure to a narrower range, or go with a static pressure where you seem to be happiest. What you're doing is what many sleep docs do in lieu of a titration night in a sleep lab. Most in lab titrations tend to be more complex, so what you are doing isn't anything out of the ordinary at all.
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