From a very early age my DS1 would do a poo in his nappy just after breakfast, and it became so predictable that I got into the routine of leaving his night nappy on until then to catch it, and save myself one less nappy to change/wash. He was potty trained day time at about 2.5, and would always tell me when he wanted to do a poo. Now he's coming up to 4, and still needs to wear a nappy at night (very heavy wetter). However, that's no real problem, I simply put on his nappy at night and take off the wet one in the morning. The problem is that in the past week or so he's been producing a particularly dirty nappy every morning, and I don't know what to do. It's as though he's regressing, without holding on and telling he needs the toilet. Any advice would be welcome.