Orchard, F; Gregory, Alice M.; Gradisar, M and Reynolds, S. 2020. Self‐reported sleep patterns and quality amongst adolescents: cross‐sectional and prospective associations with anxiety and depression. Journal of Child Psychology and Psychiatry, 61(10), pp. 1126-1137. ISSN 0021-9630 [Article]

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Abstract or Description

Background
Sleep problems are common in adolescence, and frequently comorbid with both anxiety and depression. Research studies have suggested a bidirectional relationship between sleep and psychopathology, which includes evidence that sleep interventions can alleviate symptoms of anxiety and depression. However, little is known about the nature of sleep problems amongst adolescents with anxiety and depression, and whether specific sleeping difficulties are involved in the longitudinal relationship between sleep, anxiety and depression.

Method
The sample was derived from the Avon Longitudinal Study of Parents and Children (ALSPAC), a population‐based, prospective, birth cohort study of children born in 1991–1992. Data were explored from a subset of participants who took part in a clinical assessment at age 15, on self‐report sleep patterns and quality, and diagnostic outcomes of anxiety and depression (N = 5,033). Subsequent diagnostic and symptom severity data on anxiety and depression at ages 17, 21 and 24 were also examined.

Results
Cross‐sectional and longitudinal analyses were conducted to explore the relationship between sleep problems, anxiety and depression. Results revealed that adolescents aged 15 with depression experience difficulties with both sleep patterns and sleep quality, whereas adolescents with anxiety only reported problems with sleep quality. A range of sleep variables at age 15 predicted the severity of anxiety and depression symptoms and the diagnoses of anxiety and depressive disorders at age 17, 21 and 24 years.

Conclusions
The results provide further insight into the nature of sleep problems amongst adolescents with anxiety and depression, and the prospective relationship between sleep disturbance and future psychopathology. These data suggest that targeting sleep difficulties during adolescence may have long‐term mental health benefits.

Item Type:	Article
Identification Number (DOI):	https://doi.org/10.1111/jcpp.13288
Additional Information:	Funding Information: UK Medical Research Council and Wellcome. Grant Numbers: 102215/2/13/2, 076467/Z/05/Z NIH. Grant Number: 5R01MH073842‐04
Keywords:	Adolescence, longitudinal studies, sleep, depression, anxiety
Departments, Centres and Research Units:	Psychology
Dates:	Date Event 27 May 2020 Accepted 17 June 2020 Published Online October 2020 Published
Item ID:	28615
Date Deposited:	04 Jun 2020 14:34
Last Modified:	20 Jun 2021 17:45
Peer Reviewed:	Yes, this version has been peer-reviewed.
URI:	https://research.gold.ac.uk/id/eprint/28615

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