D.S.
I went through it with my son for years. I didn't consider it potty training at night because it was out of his control. I don't think it is considered a bedwetting problem until at least five and my son went past that. We woke him and took him to the bathroom in the middle of the night for years and sometimes he made it and other times he didn't. He was such a sound sleeper I guess he just didn't get the signal he needed to get up and go on his own. His father was also a bedwetter which can be hereditary. I would just let her have a pull-up before bed and not make a big deal out of it. Cutting out liquids didn't help us, and even waking him as I said didn't always help. I always had him sleep on top of a waterproof crib mat. It really helped save his sheets and laundry so we would only have to change him and he would go back to sleep. Good luck it will get better.