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94 Possible Causes for Hypnagogic Hallucination

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  • Narcolepsy

    Cataplexy; sleep paralysis, and hypnagogic hallucinations frequently accompany narcolepsy.[icd9data.com] Narcolepsy is characterized by excessive sleepiness, hypnagogic hallucinations, and sleep paralysis, and can occur with or without cataplexy.[ncbi.nlm.nih.gov] During hypnagogic hallucinations, patients experience dream-like auditory or visual hallucinations, while dozing or falling asleep.[web.archive.org]

  • Narcolepsy-Cataplexy Syndrome

    Hypnagogic hallucinations These occur at the onset of sleep (hypnagogic) or on awakening (hypnopompic).[patient.info] He had never presented hypnagogic hallucinations or sleep paralysis. The family history was negative. Physical and neurological examinations were normal.[ncbi.nlm.nih.gov] This condition can be terrifying, especially if it occurs with a frightening hypnagogic hallucination.[nodss.org.au]

  • Cataplexy

    Cataplexy; sleep paralysis, and hypnagogic hallucinations frequently accompany narcolepsy.[icd9data.com] Sleepiness, hypnagogic hallucinations and sleep-onset paralysis were not present. This is the longest duration of isolated cataplexy reported so far.[ncbi.nlm.nih.gov] "Hypnagogic hallucinations and sleep paralysis are usually thought to be isolated components of REM sleep in the waking state.[eurekalert.org]

  • Sleep Paralysis

    Hypnagogic and hypnopompic hallucinations are often associated with sleep paralysis.[ncbi.nlm.nih.gov] It can occur in otherwise healthy people, as well as in those presenting symptoms of narcolepsy, cataplexy and hypnagogic hallucinations.[stanfordhealthcare.org] hallucinations or dream-like mentation (act or use of the brain) Polysomnography (a sleep recording) shows at least one of the following: suppression of skeletal muscle tone[stanford.edu]

  • Hypersomnia

    Tracheostomy relieved all his complaints permanently, namely hypersomnia, deteriorated intellectual performance, automatic behaviour with hypnagogic hallucinations and snoring[ncbi.nlm.nih.gov] hallucinations, and sleep paralysis.[msdmanuals.com] hallucinations were caused by apnea-induced chronic REM sleep deprivation.[ncbi.nlm.nih.gov]

  • Insomnia

    Hypnagogic and hypnopompic hallucinations: pathological phenomena? Br J Psychiatry 1996;169:459-467. PubMed Google Scholar 108.[doi.org] Complex nocturnal visual hallucinations. Sleep 2002;25:484. Google Scholar 107. Ohayon MM, Priest RG, Caulet M, Guilleminault C.[doi.org]

  • Drug-induced Fever

    Hallucinations and sleep Some people experience hallucinations just as they're falling asleep (hypnagogic), or as they start to wake up (hypnopompic).[nhs.uk] Hypnagogic and hypnopompic hallucinations are particularly common in people with narcolepsy. However, they can also occur in people without narcolepsy or any disorder.[nhs.uk] The hallucination may take the form of sounds, or the person may see things that don't exist, such as moving objects, or a formed image, such as a person (the person may think[nhs.uk]

  • Pineal Gland Cyst

    PMID: 1342042 Related observations MS sufferer and TMS 007009 The Healing Power of Sleep 026790 Hypnagogic hallucinations after pinealectomy 007008 Kleine Levin syndrome 007010[allaboutheaven.org] Pineal calcification and its relationship to hallucinations in schizophrenia. Sandyk R, Kay SR.[allaboutheaven.org] Pineal calcification and its relationship to hallucinations in schizophrenia . Sandyk R, Kay SR.[allaboutheaven.org]

  • Parasomnia

    Hypnagogic Hallucinations and Sleep Paralysis Hypnagogic hallucinations are brief periods of dreaming while between the stages of sleep and consciousness.[psychnet-uk.com] People might experience hypnagogic hallucinations while falling asleep or hypnopomic hallucinations while waking up from sleep. Addiction-related parasomnia .[sleepjunkies.com] […] are brief episodes of dream-like imagery that can be of any sensory modality, i.e., auditory, visual, or tactile. [2] They are differentiated between hypnagogic hallucination[en.wikipedia.org]

  • Bruxism

    Other parasomnias such as sleep talking, violent or injurious behaviours during sleep, sleep paralysis, hypnagogic/hypnopompic hallucinations (semi-consciousness between sleep[bruxism.org.uk] ) hallucinations and violent or injurious behaviours during sleep. 7.[express.co.uk] - hallucinations and violent behaviours during sleep.[express.co.uk]

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