Insomnia partially explains link between psychotic‑like experiences, suicidal ideation

Insomnia partially explains link between psychotic‑Like experiences, suicidal ideation

Insomnia might be an important risk factor for suicide in people with psychotic-like experiences (PLEs), according to a study published online July 30 in the European Archives of Psychiatry and Clinical Neuroscience.

Błażej Misiak, M.D., Ph.D., from Wroclaw Medical University in Poland, and colleagues examined whether insomnia moderates the association between PLEs and suicidal ideation. The analysis included self-reported data from 4,203 young adults (aged 18 to 35 years).

The researchers found that PLEs are associated with higher levels of current suicidal ideation only in participants with greater severity of insomnia. Similar results were seen in a network analysis. The nodes of connecting PLEs and current suicidal ideation captured PLEs representing deja vu experiences, auditory hallucination-like experiences, and paranoia.

The three most central nodes in the network analysis of individuals with higher levels of insomnia included nodes representing PLEs. In an analysis of individuals with lower levels of insomnia, the three most central nodes were represented by depressive symptoms in the network analysis.

“Targeting sleep quality might be important for suicide prevention among individuals with PLEs,” the authors write. “However, additional studies in clinical samples are needed to develop specific recommendations.”

More information:
Błażej Misiak et al, Insomnia moderates the association between psychotic-like experiences and suicidal ideation in a non-clinical population: a network analysis, European Archives of Psychiatry and Clinical Neuroscience (2023). DOI: 10.1007/s00406-023-01653-3

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