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Disturbed sleep and its relationship to alcohol use
Michael D Stein1, Peter D Friedmann
1Brown Medical School, Division of General Internal Medicine, Rhode Island Hospital, Providence, RI 02903, USA.
Substance Abuse
|February 24, 2006
Summary
While alcohol may initially aid sleep, continued use diminishes this effect. Assessing alcohol use is crucial for patients with sleep disturbances, but more research is needed.
Area of Science:
- Sleep Science
- Addiction Research
- Clinical Psychology
Background:
- Disturbed sleep is a common complaint.
- Alcohol consumption is widespread.
- The relationship between sleep and alcohol use requires further investigation.
Purpose of the Study:
- To review existing evidence on the association between disturbed sleep and alcohol use.
- To identify gaps in current research and suggest future directions.
Main Methods:
- A comprehensive literature search was conducted across multiple databases (MEDLINE, PSYCHINFO, ETOH, BIBLIOSLEEP, Rutgers Alcohol Studies) from 1966 to 2002.
- Search terms focused on alcohol-related disorders and various sleep disturbances.
- 107 relevant articles were reviewed, with 60 containing quantitative data on both alcohol use and sleep.
Main Results:
- Initial use of 2-3 standard drinks before bedtime may promote sleep, but this effect is short-lived, diminishing within days of continued consumption.
- Evidence suggests a link between sleep disturbance and alcohol use, but the strength and directionality remain unclear due to inconsistent definitions, measurement variability, and a prevalence of cross-sectional studies.
Conclusions:
- The association between insomnia and alcohol use disorders highlights the importance of assessing alcohol consumption in patients presenting with sleep problems.
- Future research should utilize prospective designs with standardized, validated measures for both sleep and alcohol use.
- There is a need for rigorous treatment studies focusing on chronic insomnia in individuals with alcohol dependence.
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