History of dream research: The dissertation “Entstehung der Träume (Origin of dreams)” of Wilhelm Weygandt published in 1893

Abstract

This article reviews the dissertation of Wilhelm Weygandt that was supervised by Wilhelm Wundt. The claim of the author that all dreams emanate from sensory impression is not valid anymore; nevertheless the careful observations and experiments yielded interesting results which should be studied in-depth using modern methodology, for example, the effect of internal stimuli on dream content.