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Hypnagogia (also spelled hypnogogia) are the experiences a person can go through in the hypnagogic (or hypnogogic) state, the period of falling asleep. Hypnopompia are the experiences a person may go through in the hypnopompic state, the period of waking up. The term hypnagogia often encompasses hypnopompia as well. Hypnagogic sensations collectively describe the vivid dream-like auditory, visual, or tactile sensations that can be experienced in a hypnagogic or hypnopompic state. These sensations can be accompanied by sleep paralysis, the sensation that the body is temporarily paralyzed after waking or before falling asleep. Shortcut: WP:CU Marking articles for cleanup This page is undergoing a transition to an easier-to-maintain format. ...
This Manual of Style has the simple purpose of making things easy to read by following a consistent format — it is a style guide. ...
Sleep is the state of natural rest observed in most mammals, birds, fish, as well as invertebrates such as the fruitfly Drosophila. ...
This article or section does not cite its references or sources. ...
Sleep paralysis is a condition characterized by temporary paralysis of the body shortly after waking up (known as hypnopompic paralysis) or, less often, shortly before falling asleep (known as hypnagogic paralysis). ...
The term “hypnagogic” is derived from the French word hypnagogique, coined by the 19th century French psychologist Louis Ferdinand Alfred Maury from the Greek words hupnos, meaning sleep, and agogos, meaning leading. Frederic William Henry Myers coined the complementary term hypnopompic, from hupnos and pompe, meaning sending away. Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ...
A psychologist is a scientist and/or clinician who studies psychology, the systematic investigation of the human mind, including behavior and cognition. ...
Louis Ferdinand Alfred Maury (March 23, 1817 - February 11, 1892), was a French scholar, born at Meaux. ...
Frederick William Henry Myers (February 6, 1843 - January 17, 1901), was an English poet and essayist. ...
Hypnagogic sensations Hypnagogic sensations are vivid dream-like experiences that occur as one is falling asleep or waking up. Accompanying sleep paralysis can cause the sensations to be more frightening. The features of these sensations generally vary by individual, but some are more common to the experience than others: Sleep paralysis is a condition characterized by temporary paralysis of the body shortly after waking up (known as hypnopompic paralysis) or, less often, shortly before falling asleep (known as hypnagogic paralysis). ...
Most common
- Vividness
- Impending doom
- Falling sensation
- Fear
Common - Sensing a "presence" (often malevolent)
- Pressure/weight on body (especially the chest or back).
- A sensation of not being able to breathe
- Impending sense of doom/death
Fairly common - Auditory sensations (often footsteps or indistinct voices, or pulsing noises). Auditory sensations which are described as noise instead of sensations of distinct or comprehensible sounds, are often described to be similar to auditory sensations caused by Nitrous Oxide by persons who have experienced both.
- Visual sensations such as lights, people or shadows walking around the room
Less common R-phrases S-phrases Supplementary data page Structure and properties n, εr, etc. ...
- Floating sensations (often described as out-of-body experiences)
- Seamless transition into fully immersive lucid dreaming, also associated with out-of-body experiences
- Tactile sensations (such as a hand touching or grabbing)
Rare An out-of-body experience (OBE or sometimes OOBE) is an experience that typically involves a sensation of floating outside of ones body and, in some cases, seeing ones physical body from a place outside ones body (autoscopy). ...
Lucid dreams occur during REM sleep after the person becomes conscious and aware of dreaming within the dream. ...
- Vibration
- Involuntary movements (sometimes the feeling of sliding off the bed or even up walls).
- The feeling of being pulled in different directions
During the hypnagogic state, an individual may appear to be fully awake, but has brain waves indicating that the individual is technically sleeping. Also, the individual may be completely aware of their state, which enables lucid dreamers to enter the dream state consciously directly from the waking state (see wake-initiated lucid dream technique). Many artists, musicians, architects, engineers, and others demanding creativity to be successful have benefited from hypnagogia, where the mind can be free and open to creative and new ideas.[citation needed] Electroencephalography is the neurophysiologic measurement of the electrical activity of the brain by recording from electrodes placed on the scalp or, in special cases, subdurally or in the cerebral cortex. ...
Lucid dreams occur during REM sleep after the person becomes conscious and aware of dreaming within the dream. ...
Lucid dreams occur during REM sleep after the person becomes conscious and aware of dreaming within the dream. ...
An experience of the hypnagogic state is not an uncommon occurrence with 30 to 40 percent of people experiencing it at least once in their lives.[citation needed] However, it could be a sign of a sleep disorder, such as narcolepsy and insomnia, or associated with temporal lobe epilepsy. Narcolepsy is a neurological condition most characterized by Excessive Daytime Sleepiness (EDS), episodes of sleep and disorder of REM or rapid eye movement sleep. ...
For other uses, see Insomnia (disambiguation). ...
Temporal lobe epilepsy is a form of epilepsy, a chronic neurological condition characterized by recurrent seizures. ...
The hypnagogic state can be accompanied by or associated with anomalous phenomena such as alien abduction, extra-sensory perception, telepathy, apparitions, or prophetic or crisis visions. This conduciveness to anomalous phenomena can be correlated with the initial increase of alpha and the later increase of theta brainwaves. The Abduction Phenomenon is as umbrella term used to describe a number of kidnap individuals--sometimes called abductees--usually for medical testing or for sexual reproduction procedures. ...
Extra-sensory perception, or ESP, is the ability to acquire information by means other than the five main senses of taste, sight, touch, smell, and hearing. ...
(this article is about the parapsychological phenomenon. ...
Artistic and cultural references The Serbian comic book artist Aleksander Zograf, catalogs his own hypnagogic visions in his series dubbed Psychonaut, and in self-published editions titled Hypnagogic Review.
Further reading - Leaning, F.E. (1925). An introductory study of hypnagogic phenomena. Proceedings of the Society for Psychical Research, 35, 289-409.
- Mavromatis, A. (1987). Hypnagogia: the Unique State of Consciousness Between Wakefulness and Sleep. London: Routledge and Kegan Paul.
See also Threshold consciousness is the state of falling asleep or waking up. ...
Lucid dreams occur during REM sleep after the person becomes conscious and aware of dreaming within the dream. ...
Sleep paralysis is a condition characterized by temporary paralysis of the body shortly after waking up (known as hypnopompic paralysis) or, less often, shortly before falling asleep (known as hypnagogic paralysis). ...
A hypnic or hypnagogic jerk is an involuntary muscle twitch (more generally known as myoclonus or a myoclonic twitch) which often occurs during the transition from wakefulness to sleep (see hypnagogia). ...
In common current usage, the term nightmare refers to dreams of particular intensity, with content that the sleeper finds disturbing, related either to physiological causes, such as a high fever, or to psychological ones, such as unusual trauma or stress in the sleepers life. ...
Segmented sleep or divided sleep are modern Western terms for a sleep pattern found in medieval Europe and many modern non-industrial societies, where the nights sleep is evenly divided by a few hours of wakefulness. ...
A hag (or crone) is a kind of malevolent, wizened old woman, or a kind of fairy having the appearance of such a woman, often found in folklore and childrens tales such as Hansel and Gretel. ...
A false awakening is an event in which someone dreams they have awakened from sleep. ...
External links - "Hypnagogic and hypnopompic hallucinations: pathological phenomena?" article in the British Journal of Psychiatry
- "Waking Sleep" article in the Fortean Times
- "Relationship between the hypnagogic/hypnopompic states and reports of anomalous experiences " Simon J. Sherwood, Department of Psychology, The University of Edinburgh
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