Nightmares in narcolepsy: underinvestigated symptom?
Abstract
Objective Besides main disease symptoms, disturbing dreams are often found in narcoleptics and may contribute to disturbed sleep. Our main goal was to study different types of oneiric activity in narcolepsy with cataplexy (NC) and narcolepsy without cataplexy (N).Methods We have analyzed the medical history of 118 narcoleptics (64 men, 86 with NC, 32 with N, mean age 41.6±15 years). Their most frequent dreams were divided into four groups: (A) low recall/mundane dreams, (B) vivid dreams without disturbing negative emotion, (C) nightmares, (D) reduction of nightmares, possibly by medication. Associations with other features of the disease were statistically analyzed.Results Nightmares were found in one-third of the patients, proportionally distributed in N and NC groups; not negatively charged vivid dreams appeared more frequently in NC patients (P<0.005). No/mundane dreams occurred with higher prevalence in men (48%) than in women (20%), (P<0.005), without any significant influence of age. Occurrence of nightmares was significantly higher in patients with REM sleep behavior (P<0.05), but lower in patients with obstructive sleep apnea (P<0.005). Polysomnographic correlation of N and NC nightmare groups showed more wakefulness (P<0.05) and higher percentage of NREM1 stage (P<0.05) in NC patients with nightmares.Conclusion Compared with the general population, nightmares seem to be significantly more prevalent in both NC and N, and they are not sufficiently investigated and treated. The neurobiological basis of narcolepsy and patients' dreaming activities appear to be closely related.
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The percentage of nightmares in the narcoleptic group was 33%.
“It has been found that the percentage of nightmares in the narcoleptic group was 33% (Pisko et al., 2014), while the prevalence of nightmares in general population was around 5% (Li et al., 2010; Sandman et al., 2013).”
From The Functional Role of Dreaming in Emotional Processes (2019) · cites this paper as Pisko et al., 2014
Nightmares occur with a certain frequency in narcolepsy, likely because of daytime stress due to impairments caused by narcolepsy.
“Also, nightmares seem to occur with a certain frequency in this population (Schredl, 1998; Schredl et al., 2012; Pisko et al., 2014), likely because of daytime stress due to the impairments caused by narcolepsy (Rak et al., 2015).”
From The Functional Role of Dreaming in Emotional Processes (2019) · cites this paper as Pisko et al., 2014
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- Authors
- Pisko, J., Pastorek, L., Buskova, J., Sonka, K., & Nevsimalova, S.
- Venue
- Sleep Medicine
- Publisher
- Elsevier BV
- Published
- 2014-08
- Volume
- 15
- Issue
- 8
- Pages
- 967-972
- ISSN
- 1389-9457 (ISSN-L)
- OpenAlex
- W2155273557
- Cited by
- 46
- References
- 40
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 7 · 2023: 2 · 2022: 4 · 2021: 2 · 2020: 2 · 2019: 7 · 2018: 5 · 2017: 2 · 2016: 8 · 2015: 1 · 2014: 3
- FWCI
- 2.60
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Sleep Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Health Sciences › Medicine › Epidemiology › Restless Legs Syndrome Research
- Keywords
- nightmares, narcolepsy, narcolepsy type 1, narcolepsy without cataplexy, dream recall, vivid dreams, REM sleep behavior disorder, obstructive sleep apnea, wakefulness, sex differences
- MeSH terms
- Adult, Cross-Sectional Studies, Dreams, Female, Humans, Interviews as Topic, Male, Narcolepsy, Sex Factors, Polysomnography
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