Genetic and environmental influences on sleep quality in middle-aged men: a twin study.

  title={Genetic and environmental influences on sleep quality in middle-aged men: a twin study.},
  author={Margo R Genderson and Brinda K. Rana and Matthew S. Panizzon and Michael D. Grant and Rosemary Toomey and Kristen C. Jacobson and Hong Xian and Alice Cronin-Golomb and Carol E. Franz and William S. Kremen and Michael J Lyons},
  journal={Journal of sleep research},
  volume={22 5},
Poor sleep quality is a risk factor for a number of cognitive and physiological age-related disorders. Identifying factors underlying sleep quality are important in understanding the etiology of these age-related health disorders. We investigated the extent to which genes and the environment contribute to subjective sleep quality in middle-aged male twins using the classical twin design. We used the Pittsburgh Sleep Quality Index to measure sleep quality in 1218 middle-aged twin men from the… CONTINUE READING
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