Journal article
Delayed sleep onset in depressed young people
BMC Psychiatry, Vol.14(1), 33
2014
Abstract
Background: The circadian abnormality of delayed sleep phase has been suggested to characterise a subgroup of depressed young adults with different risk factors and course of illness. We aim to assess the prevalence and factors, particularly substance use, associated with such delay in a large help-seeking cohort of young people with mental health problems.Methods: From a consecutively recruited sample of 802 help-seeking young people, 305 (38%) had at least moderate depressive symptoms (QIDS-C16 >10), sleep data and did not have a chronic severe mental illness. Demographic and clinical characteristics were evaluated through self report and clinical interview. Delayed sleep phase was defined as a sleep onset between the hours of 02:00 a.m. - 06:00 a.m. and the characteristics of this group were compared to normal phase sleepers.Results: Delayed sleep onset was reported amongst 18% (n = 56/305) of the depressed group compared to 11% of the non-depressed young people. Amongst the depressed group, delayed sleep onset was associated with tobacco, alcohol and cannabis misuse and short sleep duration (x{combining overline}: 5.8 hrs vs. x{combining overline}: 7.8 hrs). There were no differences in demographic factors, personality traits or symptoms. Tobacco smoking was very common: In logistic regression analyses only tobacco use (OR 2.28, 95% CI: 1.04 - 5.01) was associated with delayed sleep onset. There was no interaction with age.Conclusions: Delayed sleep onset was twice as common in depressed young people as the general population and young people with other mental health problems, and is a potential marker for a subgroup of mood disorders. Those with delayed sleep onset were not more severely depressed but had short sleep duration, a risk for chronic psychological ill health, and higher levels of tobacco use. Nicotine use was common in this group, has biological evidence as a sleep disrupter, and requires specifically addressing in this population. © 2014 Glozier et al.; licensee BioMed Central Ltd.
Details
- Title
- Delayed sleep onset in depressed young people
- Authors
- N Glozier (Author) - University of SydneyB O'Dea (Author) - University of SydneyP D McGorry (Author) - Orygen Youth Health Research CentreC Pantelis (Author) - University of MelbourneG P Amminger (Author) - Orygen Youth Health Research CentreDaniel F Hermens (Author) - University of SydneyR Purcell (Author) - Orygen Youth Health Research CentreE Scott (Author) - University of SydneyI B Hickie (Author) - University of Sydney
- Publication details
- BMC Psychiatry, Vol.14(1), 33
- Publisher
- BioMed Central Ltd.
- Date published
- 2014
- DOI
- 10.1186/1471-244X-14-33
- ISSN
- 1471-244X
- Copyright note
- Copyright © 2014 Glozier et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
- Organisation Unit
- University of the Sunshine Coast, Queensland; Thompson Institute
- Language
- English
- Record Identifier
- 99450313702621
- Output Type
- Journal article
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- Psychiatry
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