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Direct linkGregory, Alice M.; Rijsdijk, Fruhling V.; Eley, Thalia C. – Child Development, 2006
This study examines frequency, overlap, and genetic and environmental influences on sleep difficulties, which are understudied in school-aged children. The Sleep Self Report and the Children's Sleep Habits Questionnaire were completed by 300 twin pairs (aged 8 years) and their parents. Child report suggested more frequent sleep problems than…
Descriptors: Sleep, Children, Genetics, Environmental Influences
