Sleep quality and paranoia: the role of alexithymia, negative emotions and perceptual anomalies

Rehman, A., Gumley, A. and Biello, S. (2018) Sleep quality and paranoia: the role of alexithymia, negative emotions and perceptual anomalies. Psychiatry Research, 259, pp. 216-222. (doi:10.1016/j.psychres.2017.09.066) (PMID:29080493)

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Abstract

Recent evidence suggests that sleep problems are associated with psychotic like experiences including paranoia. However, the mechanisms underpinning this association are not well understood and thus studies modelling hypothesised mediating factors are required. Alexithymia, the inability to recognise and describe emotions within the self may be an important candidate. In two separate studies we sought to investigate factors mediating the relationship between sleep quality and paranoia using a cross-sectional design. Healthy volunteers without a mental health diagnosis were recruited (study 1, N= 401, study 2, N= 402). Participants completed a series of measures assessing paranoia, negative emotions, alexithymia and perceptual anomalies in an online survey. In study 1, regression and mediation analyses showed that the relationship between sleep quality and paranoia was partially mediated by alexithymia, perceptual anomalies and negative affect. In contrast, study 2 found that the relationship between sleep quality and paranoia was fully mediated by negative affect, alexithymia and perceptual anomalies. The link between sleep quality and paranoia is unclear and reasons for discrepant results are discussed. Novel findings in this study include the link between alexithymia and paranoia.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:REHMAN, ALIYAH and Biello, Professor Stephany and Gumley, Professor Andrew
Authors: Rehman, A., Gumley, A., and Biello, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Mental Health and Wellbeing
College of Medical Veterinary and Life Sciences > Institute of Neuroscience and Psychology
Journal Name:Psychiatry Research
Publisher:Elsevier
ISSN:0165-1781
ISSN (Online):1872-7123
Published Online:28 September 2017
Copyright Holders:Copyright © 2017 The Authors
First Published:First published in Psychiatry Research 259: 216-222
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
591541ESRC Doctoral Training Centre 2011...Mary Beth KneafseyEconomic and Social Research Council (ESRC)ES/J500136/1VPO VICE PRINCIPAL RESEARCH & ENTERPRISE