The purpose of this study was to investigate the effect of flunitrazepam, a benzodiazepine with strong hypnotic properties, on dream content. Eight normal subjects were studied in laboratory by the awakening technique, and the dream contents were rated by two judges according to nine scaled dimensions: unreality, participation of the dreamer, pleasantness, unpleasantness, verbal aggressivity,...
The study was undertaken in order to test a dream-rating scale and to propose some modifications, especially for use in laboratory situations where the effect of a given experimental factor is to be assessed on mental activity in sleep. Dreams collected from normal subjects under EEG monitoring were analysed in detail in order to establish definitions for each rating point of each dimension of...