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A painting depicting Daniel O'Connell dreaming of a confrontation with George IV, shown inside a thought bubble. A dream is a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep. [ 1 ] Humans spend about two hours dreaming per night, [ 2 ] and each dream lasts around ...
Hypnagogia is the transitional state from wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. Its opposite state is described as hypnopompia – the transitional state from sleep into wakefulness. Mental phenomena that may occur during this "threshold consciousness" phase include hypnagogic ...
Dream interpretation is the process of assigning meaning to dreams. In many ancient societies, such as those of Egypt and Greece, dreaming was considered a supernatural communication or a means of divine intervention, whose message could be interpreted by people with these associated spiritual powers. In the modern era, various schools of ...
Activation-synthesis hypothesis. The activation-synthesis hypothesis, proposed by Harvard University psychiatrists John Allan Hobson and Robert McCarley, is a neurobiological theory of dreams first published in the American Journal of Psychiatry in December 1977. The differences in neuronal activity of the brainstem during waking and REM sleep ...
368. ISBN. 978-0-241-26906-0 (Hardcover) Why We Sleep: The New Science of Sleep and Dreams (or simply known as Why We Sleep) is a 2017 popular science book about sleep written by Matthew Walker, an English scientist and the director of the Center for Human Sleep Science at the University of California, Berkeley, who specializes in neuroscience ...
Dreams and reports of dreams are produced in distinct states of consciousness resulting in a delay between the dream event and its recall while awake. During this time lag forgetting may occur resulting in an incomplete report. Forgetting is proportional to the amount of time elapsed between the experience and its recall. [2]
Oneirology. An artist's imaginary depiction of a dream. In the field of psychology, the subfield of oneirology (/ ɒnɪˈrɒlədʒi /; from Ancient Greek ὄνειρον, oneiron, "dream"; and - λογία, - logia, "the study of") is the scientific study of dreams. Research seeks correlations between dreaming and knowledge about the functions ...
In Greek mythology, Hypnos (/ ˈhɪpnɒs /; Ancient Greek: Ὕπνος, 'sleep'), [3] also spelled Hypnus, is the personification of sleep; the Roman equivalent is known as Somnus. His name is the origin of the word hypnosis. [4] Pausanias wrote that Hypnos was the dearest friend of the Muses. [5]