[Dream interpretation and experimental dream research: a comparison].

Since the discovery of REM sleep, many experimental studies have focused on dream recall, dream function and dream analysis in the sleep laboratory. The present article gives an overview of the results of experimental dream research and tries to evaluate the relevance of these results for psychoanalytical dream theory. Two theories originating from psychophysiological dream research are discussed in detail and compared with formulations stemming from psychoanalytical oriented dream theory.