What is the role of family history in the evaluation of insomnia?

Updated: Sep 11, 2018
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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A family history should be obtained in all patients with insomnia. Though rare, fatal familial insomnia (FFI) should be considered if first-degree relatives are affected, because this disorder is inherited in an autosomal dominant pattern. A family history can also be helpful in identifying patients at risk for heritable conditions that may contribute to more common causes of insomnia, including psychiatric disorders.

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