Sleep Quality and Its Clinical Associations in Trichotillomania and Skin Picking Disorder

February 2021 in “ Comprehensive psychiatry ”

Elizabeth Cavic, Stephanie Valle, Samuel R. Chamberlain, Jon E. Grant

trichotillomania skin picking disorder hair pulling Pittsburgh Sleep Quality Index PSQI TTM SPD

TLDR People with trichotillomania or skin picking disorder generally sleep worse than those without these conditions.

The study investigated sleep quality in individuals with trichotillomania (TTM) and skin picking disorder (SPD), including 150 participants (75 with TTM and 75 with SPD). It found that both conditions were associated with significantly poorer sleep quality compared to the general population. The severity of these disorders correlated with the degree of sleep disturbance, emphasizing the importance of addressing sleep issues in treatment. Poor sleep quality was linked to higher perceived stress, lower distress tolerance, and greater impulsivity. The study underscored the need for further research to explore the mechanisms linking these disorders with sleep quality.

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