Potty Training - Night Issues

I'm not completely sure why, but we have potty-trained both of our boys before they turned 2. J potty-trained a month ago at about 23 months old, he just seemed ready. We picked a time convenient to us, when we would be staying at home. So it was during the week between Christmas and New Years when we were at home most of the time and it was too cold to even venture outside to the park. It mostly worked great, but still took a little time. We moved to San Antonio 4 weeks later and although I knew that may prove difficult, he has had very few accidents! It was mainly the first few days...and the first day at his new pre-school. I still put him in diapers for naps (which he usually keeps dry or occasionally poopy - tmi) and then also at night. 

And that is what brings me to my current thought on potty training. Once both of my boys were potty-trained they began to wake up at night fussing to go pee, which would then cause problems because half asleep they still want to walk to the bathroom, get on the stool, pull their pants down, pee standing, or even worse sit and pee everywhere! If helped in anyway D would throw a huge tantrum- in the middle of the night that was incomprehensible. Now J will just refuse to go if he cannot do everything himself, better than a tantrum, but then again screams 'pee pee' about 10 seconds after getting back in bed.  

We began taking D to pee when we went to bed and then again in the early morning hours, around 4am. This seemed to work since he was sleepier than awaking himself and we got around the awful nighttime outbursts. Now that D is almost 4, we occasionally take him to pee before going to bed but that it and he will usually wake up dry. But, now J he woke up at 3am screaming last night. And he has a few nights before this too. And I figure that now I need to start taking him pee in the middle of the night... he stayed dry till then, so maybe once would do. I had forgotten about this potty training problem, but it makes complete sense that one you recognize the feeling of needing to go while awake it would begin to set off the same triggers at night. This is not really a problem, but I am already struggling to get sufficient sleep most nights with a baby jumping on my bladder and doing backflips in my belly!