The impact of sleep quality on the mental health of a non-clinical population
Abstract
Introduction Sleep quality relates to mental health in clinical and non-clinical populations. However, there is more evidence of this relationship in clinical populations. Therefore, there is lack of evidence on how these variables relate and on which sociodemographic factors influence this relationship in non-clinical populations. In this study we hypothesize that in a non-clinical population sleep quality predicts mental health indicators and that age, country and gender moderate this relationship.Methods In a sample of 1552 subjects from Portugal, Spain and Brazil, self-reported sleep quality and mental health indicators were assessed through the Pittsburgh Sleep Quality Index and the Depression, Anxiety and Stress Scale-21, respectively. A multivariate linear regression model was used to test the research hypotheses.Results This adjusted model explained 10.1%, 12.3% and 13.1% of the variability of Depression, Anxiety and Stress, respectively, suggesting multiple sources of variance.Conclusions Our results confirmed that sleep quality predicts mental health in non-clinical populations, and that the variable country is a significant moderator of this relationship.
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Sleep quality may predict mental health situations.
“Therefore, sleep quality may predict mental health situations [88].”
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“Therefore, sleep quality may predict mental health situations [88].”
Background
- Authors
- João, K. A. D. R., Jesus, S. N. D., Carmo, C., & Pinto, P.
- Affiliations
- University of Algarve (PT)
- Corresponding author
- João, Karine Alexandra Del Rio
- Venue
- Sleep Medicine
- Publisher
- Elsevier BV
- Published
- 2018-06
- Volume
- 46
- Pages
- 69-73
- ISSN
- 1389-9457 (ISSN-L)
- OpenAlex
- W2793816034
- Cited by
- 116
- References
- 46
- Citations by year
- 2026: 10 · 2025: 16 · 2024: 22 · 2023: 21 · 2022: 16 · 2021: 10 · 2020: 13 · 2019: 5 · 2018: 3
- FWCI
- 10.15
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Sleep Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Social Sciences › Psychology › Clinical Psychology › COVID-19 and Mental Health
- Social Sciences › Psychology › Clinical Psychology › Health and Well-being Studies
- Keywords
- sleep quality, mental health, non-clinical population, depression, anxiety, stress, sociodemographic moderators, country effects, age, gender, cross-national comparison
- MeSH terms
- Adult, Anxiety, Brazil, Depression, Female, Humans, Male, Mental Health, Portugal, Surveys and Questionnaires, Sleep, Spain, Stress, Psychological, Self Report
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