I’ve been waking up my partner from PTSD nightmares for the last three months whenever they make nightmare noises, which I’m used to doing so I don’t remember doing it most of the time, and they don’t remember waking up either.
But when I leave town for a week they start remembering nightmares again, and then when I get back I remember prodding them out of them for a couple nights, and then both of us stop remembering.
I still don’t know whether or how often I’m bothering them out of nightmares at night, but clearly I am doing so, and it’d be nice to have something doing that for them so that they aren’t dependent on someone else for it. I don’t mind at all being helpful, but this still sounds like a huge quality of life improvement for them!