What is the role of polysomnography in the workup of insomnia?

Updated: Sep 11, 2018
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Polysomnography and daytime multiple sleep latency testing (MSLT) are not routinely indicated for the workup of insomnia. [1, 65] However, patients with a history suggestive of sleep apnea should be referred to a sleep center for polysomnography, as should patients who have precipitous arousals with violent or injurious behavior, as well as some patients with restless legs syndrome (RLS)/periodic limb movement disorder (PLMD). Treatment failure may also be an indication for polysomnography. [1]


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