Healthy elderly can adapt to physiological changes in their sleep. The prevalence of sleep disorders and insomnia in particular is high in the elderly. They are often associated with one or more somatic and/or psychiatric conditions that they aggravate. In clinical practice, it is important to assess whether the sleep complaint fits into the framework of: 1) Physiological changes in the sleep-wake cycle during the day or circadian rhythms related to aging. 2) Defective lifestyle habits. 3) A specific sleep disorder, 4) A somatic or psychiatric condition that requires specific treatment; The management of sleep disorders in elderly should not be minimized and requires rigorous and multidisciplinary management. Psychotherapies are preferred as first-line treatment. In the case where therapeutic prescription is necessary, low doses must be given, and adjusted according to the terrain and the evolution. Through this article, we will try, through the latest recommendations, to make an update on the management of these disorders in the elderly, who are a weakened terrain associating psychiatric and somatic comorbidities.
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