Overview The Impact of the Opiate Antagonist Naltrexone on the Emotional Valence of Dreams Status: Completed Trial end date: 2016-11-01 Target enrollment: Participant gender: Summary In this study, the investigators pose the question which influence the opioid circuit has on positive valent situations in dreams. Phase: Phase 4 Details Lead Sponsor: University of BernCollaborator: University Hospital Inselspital, BerneTreatments: NaltrexoneNarcotic Antagonists