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Updated: Oct 21, 2026

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
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Comorbid Psychopathology of Insomnia: A Validity Study of the Insomnia Severity Index Among Older Adults

Daniel L Segal1, Colleen E Mock1, Colin J Schmitt1

  • 1Department of Psychology, University of Colorado Colorado Springs, Colorado Springs, CO, USA.

International Journal of Aging & Human Development
|October 19, 2026
PubMed

Keywords:
ISIassessmentolder adultsreliabilityvalidity

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