The understanding of the invisible in past dreams, in the early nineteenth century, was possible through narratives of journeys in the land beyond, delivered by dreamers in somnambular trance. The traveler is guided by an angel in this “journey.” The author studies this character, his role in the narration and the objective driving him. Two crystallizing models are observed, musical scenes and white and shining clothes. These types of manifestations lead one to question whether theosophic texts did not get into, or provide a continuum to somnambular discourse. Etched in the narratives like motifs, the determinants of the character of the angel operate successive blending of visions to be considered as topoi specific to the dreamlike experience.