ArticleThe Psychiatric quarterly2026
The Associations of Maladaptive Personality, Self-Regulation, and Sleep Hygiene with Insomnia Severity: A serial Mediation Model.
Article in The Psychiatric quarterly, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Psychological factors like unhealthy personality traits, trouble managing emotions and behaviors, and poor sleep habits may contribute to insomnia. But we don’t yet fully understand how these factors interact in a chain of effects that changes how severe insomnia is. This study aimed to look at how maladaptive personality traits, self-regulation, and sleep hygiene relate to insomnia severity, using a step-by-step serial mediation model. This cross-sectional study was conducted among a college student sample in Iran. A total of 483 individuals were analyzed, of whom 349 (72.3%) were female, with a mean age of 22.7 ± 5.2 years. Data were collected using several standardized self-report questionnaires. Pearson correlation coefficients and mediation analysis were employed for data analysis. Maladaptive trait domains of personality directly negatively affected self-regulation and sleep hygiene, and lower self-regulation was also associated with poorer sleep hygiene. Both poor sleep hygiene and maladaptive domains of personality directly increased insomnia severity, whereas higher self-regulation was associated with reduced insomnia severity. Additionally, self-regulation and sleep hygiene acted as mediating variables in the relationship between maladaptive personality traits and insomnia. It can be concluded that self-regulation and sleep hygiene play mediating roles in the relationship between maladaptive personality traits and insomnia. Specifically, maladaptive personality traits, when combined with low self-regulation, lead to poorer sleep hygiene and ultimately increase insomnia severity. Therefore, it is recommended that therapists focus on strengthening self-regulation skills in individuals suffering from insomnia.
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