Wood, Katelyn J. F (2024) The Nocturnal Bridge: Sleep Quality and Disturbing Dreams in the Depression-Suicide. Honours thesis, University of Southern Queensland. (Unpublished)
Abstract
The present study investigated the relationship between depression, sleep quality, distressing dreams, and suicide in young adults using pre-existing data collected by Tubbs and colleagues (2023). A sample of young adults aged between 18 and 25 years were recruited at the University of Arizona (N = 971) and asked to complete an online survey comprising of measures of depression, sleep quality, distressing dreams, and suicidality amongst others. The results of this study indicate a significant association between these four variables. In particular, the associations between sleep quality and depression (r = .46, p < .01, 95% CI [.42, .51]), and depression and suicide (r = .46, p < .01, 95% CI [.40, .51]) were of a moderate size. Further analyses suggest that sleep quality and distressing dreams are partial mediators of the relationship between depression and suicide effect (b=.12, BCa CI [0.01, 0.02], p<.000) and that sleep quality may be a particularly important factor in influencing suicidal ideation and risk of suicide. Given the prevalence of suicide in young adults, future research to examine the exact mechanisms of these relationships would be useful.
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| Item Type: | Thesis (Non-Research) (Honours) |
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| Item Status: | Live Archive |
| Additional Information: | Current UniSQ staff and students can request access to this thesis. Please email research.repository@unisq.edu.au with a subject line of SEAR thesis request and provide: Name of the thesis requested and Your name and UniSQ email address |
| Faculty/School / Institute/Centre: | Current – Faculty of Health, Engineering and Sciences - School of Psychology and Wellbeing (1 Jan 2022 -) |
| Supervisors: | Dr Ireland, Renee ; Dr Watling, Christopher.N |
| Qualification: | Bachelor of Science (Honours) (Psychology) |
| Date Deposited: | 29 Jan 2026 06:23 |
| Last Modified: | 29 Jan 2026 06:23 |
| Uncontrolled Keywords: | depression, distressing dreams, sleep quality, suicide |
| Fields of Research (2008): | 17 Psychology and Cognitive Sciences > 1701 Psychology > 170106 Health, Clinical and Counselling Psychology |
| Fields of Research (2020): | 52 PSYCHOLOGY > 5203 Clinical and health psychology > 520304 Health psychology |
| URI: | https://sear.unisq.edu.au/id/eprint/53124 |
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