My mom has a supra-pubic catheter and leg bag (which she hates) and gets confused when she wakes up at night and it is not on her leg, we need to hang it at night so it will drain. Has anyone come up with a way to attach it to clothing so that it moves with the user? There must be something out there.

Welcome in Sandy glad to have you
Cant say as Iv ever dealt with this type of catheter but from everything Im readin on it other than it being inserted through the skin rather than the pubic region itself its about the same.
I believe this needs to be hung on the side of the bed at night just like all other types, it really isnt wise to keep it attached to the body at night as it needs to be placed below the bladder or in this case lower than the body to prevent back flow of the urine as well as kinks in the line.
Again welcome in cant wait to get to know you and your mom, when you get a chance tell us all about yourself.