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Adult attention-deficit hyperactivity disorder and clinical correlates of delayed sleep phase disorder.

Vincenza Spera | Marco Maiello | Alessandro Pallucchini | Martina Novi | Camilla Elefante | Francesco De Dominicis | Laura Palagini | Joseph Biederman | Giulio Perugi
Psychiatry research | 2020

The purpose of the study was to assess the prevalence and clinical correlates of Delayed Sleep Phase Disorder (DSPD) in adults with Attention-Deficit/Hyperactivity Disorder. Participants were 102 adults (Female= 27), aged 18-65 (mean age= 28.2 years), with ADHD diagnosed in adulthood. ADHD and DSPD diagnosis were made according to DSM-5 criteria. Assessing instruments included the Morningness-Eveningness Questionnaire, the brief Temperament Evaluation of Memphis, Pisa, Paris and San Diego Questionnaire, the Barratt Impulsiveness Scale, the Reactivity Intensity Polarity Stability Questionnaire-40 and the World Health Organization Disability Assessment Schedule 2.0. Epidemiological and Clinical features were compared in patients with and without DSPD. 34 out of 102 patients were classified as having a Delayed Sleep Phase Disorder. As expected, DSPD patients reported a more frequent evening chronotype. In the multivariate logistic regression analysis, Delayed Sleep Phase Disorder was significantly associated with young age, cannabis use, cyclothymic temperamental traits and severe global impairment. An early diagnosis with a proper treatment targeted to both disorders may be fundamental in order to improve the overall functioning and the outcome of adult ADHD patients.

Pubmed ID: 32554185

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PISA (tool)

RRID:SCR_015749

Web application for exploration of macromolecular interfaces. It calculates structural and chemical properties of macromolecular surfaces and interfaces, as well as quaternary structures (assemblies), their structural and chemical properties and dissociation patterns.

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