Sleep duration and depressive symptoms: a gene-environment interaction.

  title={Sleep duration and depressive symptoms: a gene-environment interaction.},
  author={Nathaniel F. Watson and Kathryn Paige Harden and Dedra Buchwald and M. Vitiello and Allan I. Pack and Eric Strachan and Jack Goldberg},
  volume={37 2},
OBJECTIVE We used quantitative genetic models to assess whether sleep duration modifies genetic and environmental influences on depressive symptoms. METHOD Participants were 1,788 adult twins from 894 same-sex twin pairs (192 male and 412 female monozygotic [MZ] pairs, and 81 male and 209 female dizygotic [DZ] pairs] from the University of Washington Twin Registry. Participants self-reported habitual sleep duration and depressive symptoms. Data were analyzed using quantitative genetic… 

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