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ABSTRACT: Introduction
This study aimed to extend the knowledge about orthosomnia, that is, excessive preoccupation with sleep, by developing a scale for its assessment.Methods
In Study 1, an initial item pool was presented to 34 sleep experts for assessment using the Delphi method. In Study 2, relevant items were administered to 994 survey respondents (mean age = 42 years, SD = 13.2) for exploratory and confirmatory factor analysis. Two factors were retained, reflecting "interference" and "rigidity," each comprising six items. In Study 3, the scale was validated against multiple validated instruments reflecting sleep-related behaviors and perceptions, the five-factor personality traits, the dark triad personality traits, measures of obsessive-compulsive disorder (OCD) and hea
SUBMITTER: Guldbrandsen BV
PROVIDER: S-EPMC12713983 | biostudies-literature | 2025
REPOSITORIES: biostudies-literature