“…Factors associated with formal ID diagnosis in PD have received little attention. Nevertheless, similar to the general population, age, female gender, medical comorbidities, poor quality of life, anxiety, symptoms of depression, fatigue, and daytime sleepiness have been associated with insomnia complaint severity in PD (Chung et al, ; Gjerstad, Wentzel‐Larsen, Aarsland, & Larsen, ; Junho, Kummer, Cardoso, Teixeira, & Rocha, ; Kurtis, Rodriguez‐Blazquez, & Martinez‐Martin, ; Ratti et al, ; Tholfsen, Larsen, Schulz, Tysnes, & Gjerstad, ; Zoccolella et al, ). In contrast, clinical features of the disease (i.e.…”