Origin of night dream has been an enigma through whole history of human race. Descriptions in the Bible have shown that the ancients regarded dream experiences as a consequence of the supernatural power outside. Since the early twentieth century, progresses of psychology have proposed that night dream comes from the unconscious mind inside. Finally in 1953, Aserinsky and Kleiteman discovered...
STUDY OBJECTIVES: There is a long-standing controversy surrounding the existence of dream experiences during non-rapid eye movement (NREM) sleep. Previous studies have not answered the question whether this "NREM dream" originates from the NREM sleep mechanism because the subject might simply be recalling experiences from the preceding rapid eye movement (REM) sleep. METHODS: We scheduled 11...