Quantum field structure of dream spacetime
Self transforms between physical and dream spacetimes, but dream spacetime entities and events appear weird , bizarre, or like psychosis. Language, entities, and events of dream narratives were analyzed to determine the geometry and attributes of dream spacetime. Dream narratives were collected from medical students and subjects of Dream Database. Dream spacetime language was compared with tweets, novels, and novellas. Dream narratives and dream corpora were embedded in multidimensional vector space, projected to two dimensional vector space, and clustered using K-means algorithm. Elapsed times of dream events were compared with expected duration in physical spacetime. Mean age (25 % IQR) of 285 undergraduates, 160 males and 125 females, was 25 years (23–26). There were 1,428 dream narratives, 2,072 tweets, and 28 novels or novellas. Vocabulary of dream corpora had similar size, diversity, and density as novels and novellas. Dream narratives clustered into semantic categories, while dream corpora clustered with corpora of ﬁction, satire, humor, farce, and comedy genre. Terms, entities, and events of medical practice occurred signiﬁcantly in medical students’ dream spacetime. Physical spacetime entities and events are transformed to dream spacetime, but manifold, time dimension, and attributes are not usually preserved. The past, present, and future are perceived in dream spacetime. Time reversal symmetry, non-locality, entanglement, teleportation, and relativistic velocity close to the velocity of light indicate that dream spacetime has quantum ﬁeld structure. Thus, physical spacetime reality is not symmetrical with dream spacetime reality.