title: Sleep research: observing dreams and inducing hypnagogic images.
authors.forename: Derk-Jan
authors.initials: DJ
authors.lastname: Dijk
mesh_terms: D004325:Dreams / Q000523:psychology*; D006212:Hallucinations / Q000209:etiology / Q000523:psychology*; D006801:Humans; D012890:Sleep / Q000502:physiology; D012893:Sleep Wake Disorders / Q000150:complications / Q000523:psychology*