I'm also a bed wetter. For me the first part was about getting super comfortable wearing to bed and peeing in any position - I'ld switched to wearing almost every night in 2010, and finally started last year (2020), so that went on for a very long time. Not every night, but vast majority. Don't think it needs to be so long, because I think what finally pushed me into it was wearing and drinking before bed - work got super stressful a few years back so I would put a nappy on when I got home from work, and being in protection didn't really limit fluids before bed at all.
After a couple years of that I started realising that I wasn't sure when I wet in the night, and having now tested it can confirm that wearing before bed, drinking lots or indeed wearing to bed is not needed - it's almost every night so would presume near-permanent at this point. No longer wake to pee, but occasionally wake because I need a change; rather disappointed with that last detail - sleeping through is one of the major positives! Didn't plan to be a bed wetter - just sort of happened, but feels right for me, and I'm mostly happy with it. Really just jumping in to say that the behaviour before sleep does seem to matter a lot, at least it did for me. Comes with the warning that I had issues as a kid and job is still insanely stressful, so who knows what will happen when I finally burn out and quit.