Evidence map›Paper›PMID 31992405›Full record

SynthesisJournal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine2020

Sleep disorders in Wilson disease: a systematic review and meta-analysis.

Jinyang Xu, Qingqing Deng, Qingsong Qin, Alexandros N Vgontzas, Maria Basta, Chanyan Xie, Yun Li

Open access · bronzeAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.2field-weighted citation impact, top 24% of its field
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

12 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. The Beauty Sleep to Keep a Healthy Liver.International journal of molecular sciences · 2025
    Review
  3. Improvement in sleep following treatment initiation in newly diagnosed, treatment-naïve patients with Wilson's disease.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2025
    Article
  4. Parasomnias in movement disorders: a narrative review.Journal of neural transmission (Vienna, Austria : 1996) · 2025
    Review
  5. Article
  6. The importance of methodological vigilance in the peer-review process.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2024
    Article
  7. Article
  8. Review
  9. Article
  10. Sleep Disorders in Patients with Choreic Syndromes.Current neurology and neuroscience reports · 2023
    Review
  11. Article
  12. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 2 countries.

Jinyang XuDepartment of Sleep Medicine, Mental Health Center of Shanou University, Shantou, China.
Qingqing DengDepartment of Sleep Medicine, Mental Health Center of Shanou University, Shantou, China.
Qingsong QinLaboratory of Human Virology and Oncology, Shantou University Medical College, Shantou, Guangdong, China.
Alexandros N VgontzasSleep Research & Treatment Center, Department of Psychiatry, Pennsylvania State University, College of Medicine, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania.
Maria BastaSleep Research & Treatment Center, Department of Psychiatry, Pennsylvania State University, College of Medicine, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania.
Chanyan XieDepartment of Sleep Medicine, Mental Health Center of Shanou University, Shantou, China.
Yun LiDepartment of Sleep Medicine, Mental Health Center of Shanou University, Shantou, China.
Shantou University Mental Health Center · CNPenn State Milton S. Hershey Medical Center · USShantou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

STUDY

objectivesWilson disease (WD) is an autosomal recessive inherited disorder of copper metabolism resulting in pathologic accumulation of copper in many organs and tissues. Sleep disorders are highly prevalent in patients with WD. However, both prevalence rates and severity of different sleep disorders in patients with WD vary widely. The aims of the current study were to systematically review and perform a meta-analysis of the association between WD and prevalent sleep disorders, including insomnia, rapid eye movement (REM) sleep behavior disorder (RBD), excessive daytime sleepiness (EDS), sleep-disordered breathing (SDB), restless legs syndrome (RLS), periodic limb movement in sleep (PLM), cataplexy-like episodes (CLEs) and sleep paralysis, and objective sleep characteristics.

methodsWe performed a systematic search of PubMed, EMBase, the Cochrane Library, PsycINFO and ISI Web of Science for case-control studies. A total of 7 studies with 501 participants were included.

resultsWe found that 54.1% of patients with WD experience sleep disorders and up to 7.65-fold higher odds compared to control patients. Specifically, patients with WD had higher rates of RBD, insomnia, and EDS based on self-reported questionnaires. No differences were observed in terms of RLS, PLM, or SDB between patients with WD and control patients. Furthermore, objective sleep disruptions based on polysomnographic studies included prolonged sleep onset latency and REM sleep onset latency, reduced total sleep time and sleep efficiency, higher percentage of stage N1 sleep and lower percentage of stage N2 sleep were observed in patients with WD.

conclusionsOur study indicates that sleep disorders are frequent in patients with WD. Future studies should examine the longitudinal association of WD with sleep disturbances.

Indexed as

Disorders of Excessive SomnolenceHepatolenticular DegenerationREM Sleep Behavior DisorderRestless Legs SyndromeSleep Wake DisordersHumansPolysomnographydaytime sleepinessinsomniameta-analysisrapid eye movement sleep behavior disordersleep disordersWilson disease

Identifiers

PMID31992405
PMCPMC7053029
OpenAlexW3000273554

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.