He it is Who hath appointed for you the night that ye should rest therein and the day giving sight. Lo! herein verily are portents for a folk that heed.
Times are computed by method; your mosque's timetable governs the adhan. Every text carries its source and grade. Nothing here is a fatwa, a prediction, or a substitute for a doctor: your own scholar decides what is contested, and the tradition itself says the practice is alongside treatment, never instead of it.