I have this too and on top of it I am doing orthodontic work that also dries my mouth out.I also have a huge sore and cuts. I could of written just what you have. I read to have hard candy the sour kind may help more to stimulate. Who knows if that is true though. Limit caffeine and drink plenty of water. For the sores have you looked at foods that may trigger these? I am starting to wonder if that impacts mine. Also under more stress I seem to get them as well.