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Les données recueillies lors de crises et tragédies passées prouvent que les problèmes de sommeil survenant durant ou peu de temps après un événement traumatique sont reliés à une probabilité accrue de développer des symptômes psychiatriques durables. Or la pandémie COVID-19 et ses conséquences à moyen et long-terme combinent plusieurs facteurs de risque pour le sommeil, tant pour les intervenants de la santé que la population générale. Notre relevé mensuel des publications scientifiques qui combinent COVID-19 et sommeil/insomnie entre janvier et juillet 2020 révèle un taux de croissance comparable pour les articles qui portent plus précisément sur la santé mentale mais aucune ne porte sur les résultats d’une intervention. Nous proposons qu’il faille agir rapidement sur les difficultés de sommeil en cette période de pandémie afin de protéger l’équilibre psychologique individuel à moyen et long terme, d’autant plus que les outils nécessaires à la prévention de l’insomnie, sa détection et son traitement sont à la portée de tous les professionnels de la santé mentale.

Context Psychotic disorders are severe mental disorders that can cause a loss of contact with reality. Along with positive symptoms (delusions and hallucinations), they also encompass many other dysfunctions, such as sleep problems, which themselves can cause great distress and impairment in patients. Objective To review current literature on the relationship between sleep disorders and psychosis, on the clinical impact of such a relationship, and the psychological treatment of sleep disorders in the context of psychosis. Method Narrative overview of the literature synthesizing the findings about the relationship between psychosis and sleep disorders, and the psychological treatment of the latter, retrieved from searches of computerized databases, hand searches, and authoritative texts. Results Evidence shows a bidirectional relationship between psychosis and sleep disorders. Despite many hypotheses involving genetics, hormones, or neuronal functions regarding the nature of this association, the exact mechanism remains elusive. However, sleep-related problems are an interesting therapeutic target to improve quality of life and psychotic symptoms and respond well to psychological interventions. Conclusion Patients with psychotic disorders can benefit from CBT for insomnia, given a few adaptations to existing protocols. Additional studies are necessary to determine which patients are most likely to benefit from such interventions and to clarify the relationship between psychosis and sleep disorders, and the clinical implications of them co-existing.

Health sciences suffer from insomnia: experts too often concentrate their efforts on the wake state. Fortunately enough, some of them have taken the road towards the "Dark Third of Life": sleep. This article gives an historical account of the development of the first Canadian sleep disorders laboratory and clinic specifically and selectively designed for children and adolescents with a psychiatric diagnosis. It then stresses the importance of sleep in children bearing a psychiatric diagnosis and summarizes therapeutic strategies.Data-on-file and selective review of literature.An innovative scheme matching sleep psychologists and psychiatrists with expertise in neurodevelopmental disorders led to the creation of a sleep research laboratory on mental health disorders. The initial research projects on the sleep and dreams of patients with schizophrenia and persons with autism are summarized. The Sleep Disorders Clinic for Children and Adolescents was then created at the Hôpital Rivière-des-Prairies, leading to much needed activities focused on youth. Indeed, sleep disorders show a high prevalence in children with a psychiatric diagnosis and the literature shows that these children have an increased sensitivity for diurnal effects of poor sleep. The main sleep-relevant issues at stake are reviewed, including the high frequency of sleep disorders in pedopsychiatric patients. Clinical challenges are described and the operating mode of the Sleep Disorders Clinic is illustrated.Sleep disorders and their effects on daytime functioning need to be assessed in children with a psychiatric diagnosis in order to generate a full clinical picture. Appropriate tools and know-how are readily available in order to achieve this goal.

Borderline personality disorder (BPD) represents 2% of the general population, 10% of outpatient psychiatry facilities, 20% of inpatients and nearly 41% of patients seen in Emergency Room for attempted suicide. Also, 10% complete suicide and 64-66% have comorbid substance dependence. In addition, several studies report sleep subjective complaints in patients with BPD, and research has explored objective sleep disturbances.To examine the results of previous studies in polysomnography in BPD to better characterize the objective sleep disturbances in this population.A review of the literature on MedLine and PsycINFO using the term "borderline personality disorder", "sleep" and "polysomnography" allowed the review of 15 original articles on sleep assessed by PSG in subjects adults with BPD, published between 1980 and may 2010.Compared with healthy subjects, a decreased onset delay of rapid eye movements (REM) sleep and an increased REM density have been observed in BPD. In addition BPD shares with major depression the following disturbances: increase in onset latency, decreased total sleep time and efficiency.Differences between studies regarding sex, age, mood state at the time of the study and psychiatric comorbidity influence the results, which explains the disparity in findings.There are objective disturbances associated with BPD according to polysomnographic studies.