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Genetic and Environmental Influences on Different Components of the Pittsburgh Sleep Quality Index and their Overlap

1 May 2010

Abstract excerpt

STUDY OBJECTIVES: To examine the extent to which genetic and environmental factors influence components of sleep quality; the degree to which these components co-occur; and genetic and environmental influences on this co-occurrence. DESIGN: Twin study. SETTING: Population based twin registry across the U.K. PATIENTS OR PARTICIPANTS: Four hundred twenty monozygotic twins, 773 dizygotic twins, and 363 siblings...

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PMID: 20469808
DOI: 10.1093/sleep/33.5.659

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