Sleep and Circadian Rhythms in Psychiatric Disorders

Dear Colleagues,

Sleep and circadian rhythm alterations benefit from increasing attention in psychiatric disorders, identified as core symptoms and interesting therapeutic targets, as, for instance, in bipolar disorders, depression, suicide, schizophrenia, autism spectrum disorders, anxiety disorders, post-traumatic stress disorder, attention-deficit hyperactivity disorder, and addictions. This rapidly growing field of interest has allowed one to better unravel the physiopathology of these disorders and to develop new therapeutic strategies. Indeed, international efforts are being made to identify sleep and circadian rhythm biomarkers during all phases of these disorders (prodromal, acute, and remitted phases). The identification of such biomarkers is paving the way to true precision medicine, with numerous chronotherapies and sleep interventions, such as such as bright-light therapy, dark therapy, melatonin, stimulant drugs, sleep privation, neuromodulation technics, cognitive behavioral therapy for insomnia, and interpersonal and social rhythm therapy.

On these grounds, this Special Issue of Journal of Clinical Medicine has the main objective to gather papers that can advance the field by better characterizing patients with psychiatric disorders thanks to sleep and circadian rhythm biomarkers, by better identifying sleep disorder comorbidities and associated clinical features, and by assessing chronotherapies and sleep interventions in these specific populations.

Original investigations, review articles, and short communications are especially welcome.

Dr. Pierre A. Geoffroy
Guest Editor

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