Evidence map›Paper›PMID 40474561›Full record

ArticleJournal of sleep research2026

Polysomnographic (PSG) Characteristics of Sleep Behaviour in Parkinson's Disease: A Brief Report.

Beatrix Feigl, Subodh Gnyawali, Lucy D Burr, Glenice Duggan, Andrew J Zele

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Journal of sleep research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

5 authors.

Beatrix FeiglSchool of Medicine, Queensland University of Technology (QUT), Brisbane, Queensland, Australia.ORCID 0000-0001-7198-7373
Subodh GnyawaliSchool of Medicine, Queensland University of Technology (QUT), Brisbane, Queensland, Australia.
Lucy D BurrDepartment of Respiratory and Sleep Medicine, Mater Health, South Brisbane, Queensland, Australia.
Glenice DugganDepartment of Respiratory and Sleep Medicine, Mater Health, South Brisbane, Queensland, Australia.
Andrew J ZeleSchool of Clinical Sciences, Queensland University of Technology (QUT), Brisbane, Queensland, Australia.

Funding

Australian Research Council ARC-FT180100458Michael J. Fox Foundation for Parkinson's Research MJFF-021205
6 · The paper itself

Abstract

Polysomnography (PSG) is widely used for verifying sleep disruption in Parkinson's disease (PD). However, the determination of impacted PSG parameters specific to PD is complicated by the heterogeneity of study populations, control groups, as well as scoring systems. This brief report aims to account for these variables by comparing PSG results from a well-defined group of people with mild to moderate PD (n = 57) to a large, normative age and gender-matched PSG dataset. We show that every participant with PD had abnormalities in the PSG macrostructure parameters. There were heterogenous and bidirectional changes in the sleep architecture between patients, even when minimising for effects of age, gender, and scoring method. A generalised inference concerning the manifestation of common PSG sleep macrostructure changes presenting in PD cannot be made. The categorisation of sleep structure in PD should recognise its heterogeneity and bidirectionality and involve extended analysis of sleep microstructure.

Indexed as

Parkinson DiseasePolysomnographySleepSleep Wake DisordersAgedFemaleHumansMaleMiddle AgedParkinson's diseasepolysomnographysleep macrostructure

Identifiers

PMID40474561
PMCPMC12856073

What OpenQuestion holds

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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.