Validation of the French version of the Mannheim Dream Questionnaire in a French adult sample
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Abstract
The aim of the study was to provide a reliable French validation of the Mannheim Dream questionnaire in order to further examine demographic factors that may affect dream-related experience. The participants were 315 healthy French adult volunteers aged from 18 to 73 years. We performed a test-retest reliability study to evaluate the validity of our translation. The results obtained with the online French version of the Mannheim Dream questionnaire showed good indices of the test-retest reliability, and allowed us to have a first insight of the frequency repartition of some dream-related aspects and attitudes within a French population. The French version of the Mannheim Dream questionnaire is the first comprehensive French validated tool to investigate in large cohorts several aspects of the subjective dream experience, such as dream recall frequency, nightmares, lucid dreams, attitude toward dreams and effect of dreams on waking life.