Background Insomnia is a major public health concern affecting about 10% of the general
population in its chronic form. Furthermore, epidemiological surveys demonstrate that poor …

Objective. Characteristics of insomnia symptoms in Turkey are not well established. The
goal of this study was to determine the prevalence of insomnia and related symptoms in an …

Aim The prevalence of insomnia is influenced by environmental factors. This study aimed to
investigate the prevalence of insomnia and its sociodemographic and clinical correlates in a …

Objectives Insomnia is a public health problem with many repercussions. It affects a
significant proportion of the general population worldwide, but the estimated prevalences in …

Objectives: To assess the prevalence of insomnia disorders using DSM-IV classification, and
the consequences of insomnia in the Italian general population. Methods: A representative …

OBJECTIVE: The goals of this study were to estimate the prevalence of insomnia
symptomatology and diagnoses in the Spanish general population and to determine if …

OBJECTIVES: Epidemiological data describing the prevalence of sleep complaints in
Hungary and its region are lacking; furthermore, limited information is available on health …

Background: Due to its high prevalence, considerable impact on well-being, and high
medical and societal costs, insomnia represents an important healthcare challenge. Despite …

Background Sleep problem is a common geriatric condition that can result in various
outcomes, both physical and mental, that reduce quality of life. The studies regarding the …

BACKGROUND AND PURPOSE: To carry out an observational epidemiological survey
(Studio Morfeo), to determine:(1) the frequency of insomnia in a large Italian population …