Evidence map›Paper›PMID 39792308›Full record

ArticleSleep2025

Prevalence and impact of exploding head syndrome in a Japanese working population.

Uyanga Tsovoosed, Yukiyoshi Sumi, Yuji Ozeki, Akiko Harada, Hiroshi Kadotani

Abstract read
In one paragraph

Article in Sleep, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Review
  6. Parasomnias in movement disorders: a narrative review.Journal of neural transmission (Vienna, Austria : 1996) · 2025
    Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Uyanga TsovoosedDepartment of Psychiatry, Shiga University of Medical Science, Otsu, Japan.ORCID 0009-0000-5536-1346
Yukiyoshi SumiDepartment of Psychiatry, Shiga University of Medical Science, Otsu, Japan.ORCID 0000-0001-6775-0883
Yuji OzekiDepartment of Psychiatry, Shiga University of Medical Science, Otsu, Japan.ORCID 0000-0002-9516-0941
Akiko HaradaDepartment of Medical Statistics, NCD Epidemiology Research Center, Shiga University of Medical Science, Otsu, Japan.ORCID 0000-0003-0758-7767
Hiroshi KadotaniDepartment of Psychiatry, Shiga University of Medical Science, Otsu, Japan.ORCID 0000-0001-7474-3315

Funding

MEXT/JSPS 17H00872
6 · The paper itself

Abstract

STUDY

objectivesExploding head syndrome (EHS) is a parasomnia characterized by the perception of loud noises, or explosions inside the head during the sleep-to-wake transition. The prevalence of EHS remains unclear. This survey aimed to elucidate the prevalence of and factors associated with EHS in this cohort.

methodsAs part of the Night in Japan Home Sleep Monitoring Study (NinjaSleep study), a cross-sectional survey was conducted among government employees in Koka City, Shiga Prefecture, Japan, in 2022. Participants were queried regarding their experiences with EHS as defined in the International Classification of Sleep Disorders, 3rd Edition, including sudden loud noises or sensations of explosions, subsequent abrupt awakenings and feelings of fright. Various standardized instruments were employed to evaluate depression, anxiety, insomnia, quality of life, and fatigue.

resultsOf the 2081 employees invited to participate, 1878 completed the survey. After excluding respondents with epilepsy and incomplete responses, 1843 participants were deemed eligible for analysis. Among them, 46 (2.49%) reported experiencing sudden noises or sensations of explosions, with 23 (1.25%) meeting the diagnostic criteria for EHS. The EHS was significantly related to the scores on the Patient Health Questionnaire-9, Generalized Anxiety Disorder-7, Athens insomnia scale, and Chalder fatigue scale, even after adjusting for age, sex, body mass index, and categorized mean sleep duration.

conclusionThis study elucidates the prevalence of EHS among the Japanese population and underscores its potential association with insomnia symptoms and various psychological factors.

Indexed as

ParasomniasAdultCross-Sectional StudiesEast Asian PeopleFemaleHumansJapanMaleMiddle AgedPrevalenceQuality of LifeSurveys and Questionnairesanxietydepressionexploding head syndromeinsomniaparasomniasquality of life assessment

Identifiers

PMID39792308
PMCPMC12068057

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.