Psychological inflexibility as a predictor associated with insomnia.

Area of Science:

• Sleep Medicine
• Clinical Psychology

Background:

• Insomnia is a prevalent sleep disorder affecting millions globally.
• Psychological flexibility is an emerging area of interest in sleep disorder research.
• Understanding factors predicting insomnia severity is crucial for public health.

Purpose of the Study:

• To investigate psychological flexibility as a predictor of insomnia presence and severity.
• To identify demographic and psychological factors associated with insomnia.

Main Methods:

• A study involving 2218 participants, including individuals with and without insomnia.
• Utilized DSM-5-based interviews and validated questionnaires (Insomnia Severity Index, Hospital Anxiety and Depression Scale, Acceptance Action Questionnaire-II).
• Employed linear regression and multinomial logistic regression analyses.

Main Results:

• Sex, depression, anxiety, and psychological inflexibility were identified as predictors of insomnia severity.
• Anxiety and depression were associated with all levels of insomnia.
• Psychological inflexibility was specifically linked to severe insomnia.

Conclusions:

• Psychological inflexibility, anxiety, and depression are significant factors in insomnia.
• Behavioral interventions targeting psychological flexibility may be a cost-effective strategy for managing insomnia.
• Improving sleep quality through psychological flexibility interventions can positively impact overall mental health.