[T]he first zikr, as it is called, came abruptly to an end. Some few, however, could not stop immediately, but kept on swaying and muttering to themselves; while the one in the fit, having ceased to shriek, lay out stiff and straight, apparently in a state of coma. There was a murmur of relief and a simultaneous rising among the spectators. It was announced that another zikr, with a reinforcement of fresh dervishes, would soon begin; but the Europeans had had enough of it, and few remained for the second performance. Going out, we paused beside the poor fellow on the floor, and asked if nothing could be done for him. "He is struck by Mohammed," said gravely an Egyptian official who was standing by.
I don't wish to start a religious discussion here, but I couldn't help but notice the similarities between the state of the dervish in that passage who was "struck by Mohammed" and those charismatic/pentecostal Christians here in the United States who have experienced being "slain in the Spirit." Even the language is similar.