Objective Sleep disturbance may constitute health problems for the afflicted individual, but
documentation of its chronicity is sparse. The objective was to investigate the extent to which …

Objective The purpose of this study is to provide data on the prevalence of insomnia and
hypersomnia among older persons, the stability of these sleep complaints over time, and …

Despite sleep disturbance and somatic symptoms being common health complaints, the
relationship between these disturbances and single somatic symptoms is not well …

The objective of this investigation was to evaluate subjective fatigue versus subjective
sleepiness as independent consequences of sleep disorders. Furthermore, we tried to …

This article examines the relationship between sleep disturbance and psychopathology.
Epidemiological, cross-sectional, and longitudinal data suggest a high rate of comorbidity …

Objective This study aimed to identify misdiagnosed or undiagnosed psychiatric disorders
and the factors associated with these disorders in patients with sleep problems who are …

Objective: To explore the extent to which associations between sleep problems and
functional impairment are attributable to comorbid mental and physical health problems …

Objective: This cross-sectional study investigated the prevalence of disturbed sleep and the
association of disturbed sleep with medical conditions and service use among older adults …

The aim of the study was to assess the prevalence, severity, associated factors and
diagnosis of sleep disorders in general practice. Over 700 patients were investigated with a …

Objectives were to assess the relations of various sleep complaints with depressive and
anxiety complaints in a non-clinical population. Four-hundred-and-two randomly …