A Genetic Basis for Insomnia: Two studies published Monday provide first peeks at the biological basis of insomnia, implicating specific brain regions and biological processes, and revealing links with heart disease and psychiatric disorders like depression.

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A Genetic Basis for Insomnia: Two studies published Monday provide first peeks at the biological basis of insomnia, implicating specific brain regions and biological processes, and revealing links with heart disease and psychiatric disorders like depression.