4026. During the whole night I was occupied in dreaming of various objects of a material and corporeal kind, as walkings, dangers, and the like, in a confused and rambling way, and upon awaking from time to time, I heard choirs of angels descending one after another, and which I heard more clearly than on various other occasions. I perceived that there were certain evil spirits who infested me, and that the angelic choirs were sent by the Lord, for the purpose of warding off the assaults of such spirits. But what they said I could not understand, nor did I perceive anything but the sound peculiar to such choirs.