Association between insomnia symptoms and chronotype-A systematic review and meta-analysis
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View abstract on PubMed
Summary
This summary is machine-generated.Evening chronotypes have a significantly higher risk of insomnia compared to morning types. Understanding chronotype is crucial for assessing and managing insomnia effectively.
Area Of Science
- Sleep Science
- Chronobiology
- Clinical Psychology
Background
- Chronotype, an individual's daily rhythm of sleep-wake cycles, is increasingly recognized for its influence on health.
- Insomnia, a prevalent sleep disorder, significantly impacts quality of life and overall health.
- Previous research suggests a link between sleep timing preferences and sleep disturbances, but comprehensive meta-analytic evidence is needed.
Purpose Of The Study
- To systematically evaluate the association between chronotype and insomnia.
- To quantify the risk of insomnia in individuals with evening or intermediate chronotypes compared to morning types.
Main Methods
- A meta-analysis of prospective and cross-sectional studies was conducted.
- Searches were performed in PubMed, Embase, and the Cochrane Library up to July 2023.
- Sixteen studies with 27,789 participants were included, using the Morningness-Eveningness Questionnaire for chronotype assessment.
Main Results
- Evening chronotypes exhibited a 3.47-fold increased risk of insomnia (OR, 3.47; 95% CI, 2.50-4.83) and higher insomnia severity.
- Intermediate chronotypes also showed an elevated risk (OR, 1.61; 95% CI, 1.24-2.09) compared to morning types.
- Morning types reported the lowest likelihood of insomnia symptoms.
Conclusions
- Evening chronotype is strongly associated with a higher prevalence and severity of insomnia.
- Intermediate chronotypes demonstrate a moderate association with insomnia.
- These findings underscore the clinical importance of assessing chronotype in insomnia diagnosis and treatment.
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