Altered sleep architecture in chronic insomnia and its phenotypes: polysomnographic correlates and associations with insomnia severity and depressive symptoms
Abstract
Aim : The aim of this study was to evaluate clinical and polysomnographic differences in sleep architecture between patients with chronic insomnia (CI) and healthy controls (HC), as well as between CI phenotypes with short and normal sleep duration. Materials and methods : This cross-sectional study included 35 patients with CI and 27 age- and sex-matched HC. All participants completed the Insomnia Severity Index (ISI) and Beck Depression Inventory (BDI) and underwent single-night home polysomnography. Based on 14-day sleep diaries, patients were categorized into insomnia with self-reported short sleep duration (ISSD;
Fields of Study & Subjects
Sleep and related disorders
Sleep and Wakefulness Research
Obstructive Sleep Apnea Research
Publication details
- Journal / source
- Folia Medica
- Publisher
- Pensoft Publishers
- Volume
- 68
- Issue
- 2
- Publication date
- 28 April 2026
- Language
- EN