Document Type

Article

Journal/Book Title/Conference

Journal of Cognitive Psychotherapy

Publisher

Springer Publishing Company

Publication Date

7-2024

Journal Article Version

Accepted Manuscript

First Page

1

Last Page

32

Abstract

Emerging research suggests that psychological inflexibility may be a factor contributing to the development and maintenance of insomnia. However, less is known about the potential cognitive pathways that may explain this relationship. In this study, we investigated the serial mediating effects of psychological inflexibility and daytime insomnia related rumination on the association between dysfunctional beliefs and attitudes about sleep (DBAS) and insomnia symptoms. The sample included 490 college students who underwent assessments at two time points over a one-month period. The results of our mediational tests yielded significant indirect effects, supporting the prediction that psychological inflexibility and daytime insomnia rumination serially mediate the relationship between DBAS and insomnia. The study provides insights into potential mechanisms for insomnia, emphasizing the role of psychological inflexibility in perpetuating maladaptive cognitive processes associated with insomnia. Future researchers should explore other maladaptive responses to insomnia related concerns and distress, such as worry and safety behaviors, and replicate findings in clinically elevated insomnia samples.

Available for download on Thursday, January 01, 2026

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