Genetic and environmental influences on different components of the Pittsburgh Sleep Quality Index and their overlap

Barclay, Nicola, Eley, Thalia, Buysse, Daniel, Rijsdijk, Frühling and Gregory, Alice (2010) Genetic and environmental influences on different components of the Pittsburgh Sleep Quality Index and their overlap. Sleep, 33 (5). pp. 659-68. ISSN 0161-8105

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Abstract

Genetic and non-shared environmental factors are most important in explaining individual differences with regards to different components of sleep quality, although shared environment may influence sleep duration. The pattern of overlap in the genetic and environmental influences accounting for the associations between components of sleep quality is consistent with that seen in other areas of developmental psychopathology of general genes and specific non-shared environmental influences.

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