Hypnagogic hallucination refers to vivid dreamlike visions experienced by some patients of narcolepsy; a vivid , dreamlike intrusions into wakefulness that occur in the transition between wakefulness and sleep onset. Hypnagogic hallucination also refers to a vivid dreamlike hallucination that occurs as one is falling asleep. It is the opposite of an Hypnopompic hallucination which is a vivid dreamlike hallucination that occurs as one is waking up.


Other /More definition:
Hypnagogic hallucination refers to a vivid dreamlike hallucination that occurs as one is falling asleep.

Related Articles

Narcolepsy at psychology-glossary.com■■■■■■
Narcolepsy refers to a sudden, irresistible, daytime sleep attacks that may last anywhere from a few . . . Read More
Excessive daytime sleepiness at psychology-glossary.com■■■■■
Excessive Daytime Sleepiness (EDS) is the main symptom of narcolepsy. Excessive daytime sleepiness causes . . . Read More
DSM-IV at psychology-glossary.com■■■■
DSM-IV (Diagnostic and Statistical Manual of Mental Disorders) refers to the 4th edition of the DSM, . . . Read More
Dementia of the Alzheimer’s type at psychology-glossary.com■■■
dementia of the Alzheimer’s type refers to gradual onset of cognitive deficits caused by Alzheimer’s . . . Read More
Developmental History at psychology-glossary.com■■■
Developmental History refers to the information obtained from the parents of a specific client (child/patient) . . . Read More
Appareil at top500.de■■■
In the industrial and industry context, the term "appareil" typically refers to a device or apparatus . . . Read More
Consistency at top500.de■■■
Consistency is a paramount concept within the industrial and manufacturing sectors, representing the . . . Read More
Obstructive sleep Apnea at psychology-glossary.com■■■
Obstructive sleep Apnea refers to Apnea that occurs most often during rapid eye movement (REM) sleep . . . Read More
Sleep efficiency at psychology-glossary.com■■■
Sleep efficiency (SE) refers to the percentage of time actually spent sleeping of the total time spent . . . Read More
Insomnia at psychology-glossary.com■■■
Insomnia is defined as the inability to fall asleep, to maintain sleep, or to get back to sleep at night. . . . Read More