And never (O Muhammad) pray for one of them who dieth, nor stand by his grave. Lo! they disbelieved in Allah and His messenger, and they died while they were evil-doers.
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.