Translation and linguistic validation study of Munich Parasomnia Screening tool for Turkish.

Background: Parasomnias are prevalent sleep disorders that frequently go unrecognized and can have a substantial impact on an individual's sleep quality and daily functioning. The objective of this study was to translate and culturally adapt the Munich Parasomnia Screening (MUPS) scale into Turkish and to evaluate the psychometric properties of the MUPS-TR.

Methods: The present study was conducted with a sample of 311 adult Turkish-speaking individuals. The MUPS scale was adapted into Turkish using the forward-backward translation method, and content validity was ensured with expert opinions. The final text was obtained subsequent to the pilot test. A test-retest analysis was conducted with 40 bilingual participants, and internal consistency was assessed using Cronbach's α coefficient. Additionally, time-dependent consistency was assessed using Spearman's correlation. The frequency of symptoms was also analyzed. Prior to their involvement in the study, written informed consent was obtained from all participants.

Results: The internal consistency coefficient for the total scale was calculated as Cronbach's α = 0.87. The test-retest correlations ranged from Spearman's r = 0.76 to 0.88. Cross-language item correlations in bilingual participants ranged from 0.79 to 0.88. The most prevalent symptoms were identified as hypnic twitching (85 %), nightmares (46.3 %), and rhythmic leg movements (60.2 %).

Conclusions: The MUPS-TR instrument is a valid and reliable tool for rapid screening of parasomnia symptoms in Turkish-speaking adults. Its efficacy in clinical practice is particularly pronounced, especially in the domains of initial assessment and referral processes.