Hypnagogia: Difference between revisions
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'''Hypnagogia''' is the experience of transitioning from wakefulness to sleep. During this state, one usually experiences visual, auditory or tactile hallucinations, or [[sleep paralysis]]. Usually, one has lost consciousness before entering this state, but it is also part of some induction techniques ([[Wake initiated lucid dream|WILD]]). It mainly happens during stage 1 of NREM sleep, and before the onset of sleep. | '''Hypnagogia''' is the experience of transitioning from wakefulness to sleep. During this state, one usually experiences [[external hallucinations|visual]], [[auditory hallucinations|auditory]] or [[tactile hallucinations]], or [[sleep paralysis]]. Usually, one has lost consciousness before entering this state, but it is also part of some [[induction techniques]] ([[Wake initiated lucid dream|WILD]]). It mainly happens during stage 1 of NREM sleep, and before the onset of sleep. | ||
==Hypnagogic phenomena== | ==Hypnagogic phenomena== | ||
===Visual=== | ===Visual=== | ||
Initially, hypnagogia will manifest itself as moving blobs of color (see ''[[phosphene]]''), in the form of lines, speckles, and geometrical shapes. Those patterns become increasingly complex, and can be easily controlled on demand by focusing on specific shapes. Eventually, they can form simple images, even three dimensional. | Initially, hypnagogia will manifest itself as moving blobs of color (see ''[[phosphene]]''), in the form of lines, speckles, and geometrical shapes. Those patterns become increasingly complex, and can be easily controlled on demand by focusing on specific shapes. Eventually, they can form simple images, even three-dimensional. | ||
===Auditory=== | ===Auditory=== | ||
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===Other senses=== | ===Other senses=== | ||
Olfactory, gustatory or tactile sensations are also possible in this state, and they are fleeting in nature. Sometimes, there is also some degree of [[synesthesia]], in which a real stimulus (such as a sound) may trigger perception of flashes or images. | Olfactory, gustatory or tactile sensations are also possible in this state, and they are fleeting in nature. Sometimes, there is also some degree of [[synesthesia]], in which a real stimulus (such as a sound) may trigger perception of flashes or images. Proprioceptive hallucinations, like floating limbs, feeling that one's body is in a different position from what it actually is, or changes in perceived body size are common too. | ||
== | ==See also== | ||
*[[Responsible use]] | |||
*[[Lucid dreaming]] | |||
*[[WILD]] | |||
*[[Dreams]] | |||
==External links== | |||
*[https://en.wikipedia.org/wiki/Hypnagogia Hypnagogia] |