In this paper, we consider a class of impulsive stochastic Volterra-Levin equations. By establishing a new integral inequality, some sufficient conditions for the existence and global attractivity of periodic solution for impulsive stochastic Volterra-Levin equations are given. Our results imply that under the appropriate linear periodic impulsive perturbations, the impulsive stochastic Volterr...

Kleine-Levin syndrome (KLS) was first described in 1862 by Brierre de Boismont and gained its eponymous name from the reports of Willi Kleine (1) and Max Levin (2) in the 1920s. It is a rare disorder that occurs worldwide and is characterised by episodes of sleep, behavioural, mood and cognitive disturbance, with usually an onset in adolescence and a variable episodic course. The focus on hyper...

Background: Periodic hypersomnias in children and adolescents are described according to etiological groups like: 1) idiopathic the Kleine Levin syndrome (KLS) and its clinical variants 2) organic and 3) other psychiatric conditons. KLS is described as a triad of recurrent hypersomnolence, hyperphagia, and hypersexuality. However, an incomplete presentation characterized by hypersomnia without ...

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Introdução: A síndrome de Kleine-Levin (SKL) é uma condição neurológica rara que afeta principalmente adolescentes e jovens adultos. Caracteriza-se por episódios sono excessivamente prolongados, alterações comportamentais aumento do apetite. causa exata dessa ainda desconhecida, o diagnóstico baseado na observação dos sintomas clínicos característicos. Métodos: Pesquisadores conduziram revisões...