Sleep across the psychosis continuum and its relationship to paranoid thinking

Rehman, Aliyah (2018) Sleep across the psychosis continuum and its relationship to paranoid thinking. PhD thesis, University of Glasgow.

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Printed Thesis Information: https://eleanor.lib.gla.ac.uk/record=b3325800

Abstract

Background: The present thesis sought to explore the relationship between sleep and paranoia, and investigate what factors mediate this relationship. The research was conducted at different levels, and in different groups including healthy members of the general population, people with a diagnosis of psychosis and clinicians. Method: in chapter 3, a cross-sectional study was conducted online to examine the relationships between sleep and paranoia in a non-clinical sample. Following this, chapter 4 outlines a systematic review that aimed to further understand how sleep has been investigated in clinical samples of people with psychosis. Next, chapter 5 examined the relationship between sleep disturbance and paranoia in a clinical sample using novel experience sampling methodologies. Finally, chapter 6 explored clinician perceptions of sleep problems in people with psychosis. Results: chapter 3 found evidence for a mediation model whereby sleep predicted paranoia, and this relationship was mediated by negative emotions, alexithymia and perceptual anomalies. Chapter 4 revealed that there is a range of methodologies used to assess and measure sleep and identified areas of bias. Chapter 5 found no relationship between sleep and paranoia in a clinical sample of people with psychosis. Finally, chapter 6 found that clinicians are fully aware of the range and types of sleep problems in people with psychosis but lack the training and skills to treat sleep problems. Discussion: Overall, the relationship between sleep and paranoia is inconsistent. Sleep disturbances are common and should be treated in people with psychosis. More work is required to develop effective intervention strategies to address the range and type of sleep disturbances found in people with psychosis.

Item Type: Thesis (PhD)
Qualification Level: Doctoral
Additional Information: Some of the data from this thesis has been published Chapter 3: 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) Chapter 6: Rehman, A., Waite, F., Sheaves, B., Biello, S., Freeman, D. and Gumley, A. (2017) Clinician perceptions of sleep problems, and their treatment, in patients with non-affective psychosis. Psychosis, 9(2), pp. 129-139. (doi:10.1080/17522439.2016.1206955)
Keywords: Sleep, insomnia, psychosis, paranoia, mood, schizophrenia, psychosis continuum.
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Colleges/Schools: College of Science and Engineering > School of Psychology
Supervisor's Name: Biello, Professor Stephany and Gumley, Professor Andrew
Date of Award: 2018
Depositing User: miss Aliyah Rehman
Unique ID: glathesis:2018-30797
Copyright: Copyright of this thesis is held by the author.
Date Deposited: 18 Sep 2018 13:12
Last Modified: 06 Feb 2020 15:28
URI: http://theses.gla.ac.uk/id/eprint/30797
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