Without a huge investment, "this slow and patiently" method is the only option! Just we need to be careful that we are on the right track. We are confident that you are on the right track.

Keep going, Brother! !BBH

Waking up in the night to pee is quite troublesome! There are various reasons for that, including some disease conditions, notably DM, Overactive bladder, Urinary tract infection, prostate problems, etc. These conditions need to be managed accordingly.
However, some other factors could lead to nighttime peeing that can be avoided with simple measures. Some tips are here