The importance and limitations of polysomnography in insomnia disorder-a critical appraisal

The importance polysomnography (PSG) in the diagnosis and treatment process of insomnia disorder (ID) remains highly disputed. This review summarises the state of the science regarding PSG indications and findings in ID, and the indications to conduct PSG in ID as stated by relevant guidelines. It then highlights the most relevant questions regarding the topic, including the relevance of ID subtyping, to allow an individualised pharmacological or psychotherapeutic treatment approach.

Automated summary

The importance of polysomnography (PSG) in the diagnosis and treatment of insomnia disorder (ID) is a highly debated topic. This review provides a summary of the current scientific knowledge on PSG indications and findings in ID, and the guidelines for conducting PSG in ID. It also discusses important questions regarding ID subtyping to guide personalized pharmacological and psychotherapeutic treatment approaches.