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Volume 14 No. 09
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Accepted Papers

Scientific Investigations

Frequency of Past and Current Psychiatric Disorders in Patients Referred for Polysomnography: A Pilot Study

Morgane Pradines, MD1; Marc Rey, MD2; Rémy Dumas, MD1; Wadih Rhondali, MD3; Patrick Lemoine, MD4; Jean-Michel Azorin, MD5; Christian Vedie, MD1
1Secteur 8, Hôpital Valvert, Marseille, France; 2Centre du Sommeil, Hôpital de la Timone, Marseille, France; 3Tour Méditerranée, Marseille, France; 4Clinique Lyon-Lumière, Meyzieu, France; 5Hôpital Sainte Marguerite, Marseille, France

Study Objectives:

The aim of this study was to assess the frequency of past and current psychiatric disorders among patients referred to a sleep unit for polysomnography.


A total of 152 patients referred to the Sleep Center of Timone Hospital in Marseille were included from January 12 to March 31, 2015. Clinical data were collected using the Mini International Neuropsychiatric Interview.


The final sample consisted of 102 patients. Polysomnography helped diagnose the following common sleep disorders: obstructive sleep apnea, restless legs syndrome, insomnia, and non-rapid eye movement sleep arousal disorder. Ninety patients (88%) had psychiatric disorders. All patients (27) without a common sleep disorder diagnosis had psychiatric disorders and among patients with a common sleep disorder diagnosis 84% had psychiatric disorders. Among the psychiatric disorders a past major depressive episode was the most frequent pathology.


This study shows that patients referred to a sleep unit have a high prevalence of psychiatric disorders. This may be explained by residual symptoms of psychiatric illnesses, a diagnostic misdirection, a denial of psychiatric diagnosis, or an undiagnosed somatic symptom disorder. Finally, this study shows the importance of cross-disciplinary communication considering the diagnostic heterogeneity that may represent a sleep complaint.


Pradines M, Rey M, Dumas R, Rhondali W, Lemoine P, Azorin JM, Vedie C. Frequency of past and current psychiatric disorders in patients referred for polysomnography: a pilot study. J Clin Sleep Med. 2018;14(9):1503–1507.

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