Is urination painful for all boys? Have you noticed such in your sons?…

Is urination painful for all boys? Have you noticed such in your sons? That is, exclusively at night, the son cries loudly for 2-3 minutes through sleep, turns over, sits down, spins around, then does his thing and falls asleep as if nothing happened. During the day everything is fine, but the nighttime toilet is with crying. I went to the doctor, did tests - everything is normal. The doctor said that this process is painful for boys, he said it needs to be stretched out, another one said not to touch at all. As much as I babysat my nephews during the day and night, I have never seen such a thing. Or rather, is he enduring and crying because of discomfort? I don'