Sleep Paralysis and Hallucinosis

Background: Sleep paralysis is one of the many conditions of which visual hallucinations can be a part but has received relatively little attention. It can be associated with other dramatic symptoms of a psychotic nature likely to cause diagnostic uncertainty. Methods and results: These points are i...

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Main Author: Gregory Stores
Format: Article
Language:English
Published: Wiley 1998-01-01
Series:Behavioural Neurology
Online Access:http://dx.doi.org/10.1155/1998/649278
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author Gregory Stores
author_facet Gregory Stores
author_sort Gregory Stores
collection DOAJ
description Background: Sleep paralysis is one of the many conditions of which visual hallucinations can be a part but has received relatively little attention. It can be associated with other dramatic symptoms of a psychotic nature likely to cause diagnostic uncertainty. Methods and results: These points are illustrated by the case of a young man with a severe bipolar affective disorder who independently developed terrifying visual, auditory and somatic hallucinatory episodes at sleep onset, associated with a sense of evil influence and presence. The episodes were not obviously related to his psychiatric disorder. Past diagnoses included nightmares and night terrors. Review provided no convincing evidence of various other sleep disorders nor physical conditions in which hallucinatory experiences can occur. A diagnosis of predormital isolated sleep paralysis was made and appropriate treatment recommended. Conclusions: Sleep paralysis, common in the general population, can be associated with dramatic auxiliary symptoms suggestive of a psychotic state. Less common forms are either part of the narcolepsy syndrome or (rarely) they are familial in type. Interestingly, sleep paralysis (especially breathing difficulty) features prominently in the folklore of various countries.
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spelling doaj-art-15632c02e9c6484ba1b0dd9196dd86812025-02-03T05:49:48ZengWileyBehavioural Neurology0953-41801875-85841998-01-0111210911210.1155/1998/649278Sleep Paralysis and HallucinosisGregory Stores0University Section, Park Hospital for Children, Department of Psychiatry, University of Oxford, Old Road, Headington, Oxford OX3 7HU, UKBackground: Sleep paralysis is one of the many conditions of which visual hallucinations can be a part but has received relatively little attention. It can be associated with other dramatic symptoms of a psychotic nature likely to cause diagnostic uncertainty. Methods and results: These points are illustrated by the case of a young man with a severe bipolar affective disorder who independently developed terrifying visual, auditory and somatic hallucinatory episodes at sleep onset, associated with a sense of evil influence and presence. The episodes were not obviously related to his psychiatric disorder. Past diagnoses included nightmares and night terrors. Review provided no convincing evidence of various other sleep disorders nor physical conditions in which hallucinatory experiences can occur. A diagnosis of predormital isolated sleep paralysis was made and appropriate treatment recommended. Conclusions: Sleep paralysis, common in the general population, can be associated with dramatic auxiliary symptoms suggestive of a psychotic state. Less common forms are either part of the narcolepsy syndrome or (rarely) they are familial in type. Interestingly, sleep paralysis (especially breathing difficulty) features prominently in the folklore of various countries.http://dx.doi.org/10.1155/1998/649278
spellingShingle Gregory Stores
Sleep Paralysis and Hallucinosis
Behavioural Neurology
title Sleep Paralysis and Hallucinosis
title_full Sleep Paralysis and Hallucinosis
title_fullStr Sleep Paralysis and Hallucinosis
title_full_unstemmed Sleep Paralysis and Hallucinosis
title_short Sleep Paralysis and Hallucinosis
title_sort sleep paralysis and hallucinosis
url http://dx.doi.org/10.1155/1998/649278
work_keys_str_mv AT gregorystores sleepparalysisandhallucinosis