ScienceDaily (June 9, 2009) — The genes that play a role in adolescent insomnia are the same as those involved in depression and anxiety, according to a research abstract that will be presented on June 8, at Sleep 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies.
Results of the study indicate that insomnia as a diagnosis has a moderate heritability in 8 to 16 year olds, which is consistent with past studies of insomnia symptoms in adults. Significant genetic effects shared between insomnia, depression and anxiety suggests that overlapping genetic mechanisms exist to link the disorders.
According to lead author Phillip Gehrman, PhD, assistant professor in the department of psychiatry at the University of Pennsylvania School Of Medicine, researchers involved in the study were surprised that they did not find sleep-specific genetic effects.
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