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KMID : 1034320230140040183
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Sleep Medicine Research
2023 Volume.14 No. 4 p.183 ~ p.187
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The Discrepancy-Cognitive Arousal Model of Insomnia Among the General Population
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Chung Seock-Hoon
Cho Inn-Kyu
Lee Dong-In
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Abstract
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Background and Objective We aimed to explore the Discrepancy-Cognitive Arousal model among the general population, applying the discrepancy between desired time in bed and desired total sleep time (DBST index), dysfunctional beliefs about sleep, and sleep-related metacognitive processes.
Methods An anonymous online survey study was conducted among the general population between January 10 and 18, 2022. The survey form included a questionnaire for demographic characteristics and rating scales such as Insomnia Severity Index (ISI), Dysfunctional Beliefs and Attitudes about Sleep?16 items (DBAS-16), and Metacognition Questionnaire for Insomnia? 14 items (MCQI-14). In addition, questions for measuring participants’ DBST index were included.
Results A total of 374 participants’ responses were analyzed. The ISI score was predicted by the DBST index (β = 0.11, p = 0.008), DBAS-16 (β = 0.37, p < 0.001), and MCQI-14 (β = 0.30, p < 0.001) in the linear regression analysis. In the mediation model, the DBST index directly predicted insomnia severity, and dysfunctional beliefs about sleep and sleep-related metacognitive processes mediated this relationship.
Conclusions We observed that the Discrepancy-Cognitive Arousal model of insomnia was feasible among the general population.
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KEYWORD
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Metacognition, Insomnia, Sleep, Attention, DBST index
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