Insomnia disorder is characterized by chronic dissatisfaction with sleep quantity or quality that is associated with difficulty falling asleep, frequent nighttime awakenings with difficulty returning to sleep, and/or awakening earlier in the morning than desired. Although progress has been made in our understanding of the nature, etiology, and pathophysiology of insomnia, there is still no univ...

PURPOSE This study assessed self-reported pain in the oldest old and examined its changes over time and in relation to other measures of health and functioning. DESIGN AND METHODS A population-based sample of the oldest old (86-92 years of age) residing in Sweden who were participating in a multiwave longitudinal investigation were interviewed about their experience of pain, as well as other ...

OBJECTIVE Links between sleep problems and suicidality have been frequently described in clinical samples; however, this issue has not been well-studied in the general population. Using data from a nationally representative survey, we examined the association between self-reported sleep difficulties and suicidality in the United States. METHODS The WHO Composite International Diagnostic Inter...

OBJECTIVES This study identified perceived employability trajectories and their associations with sleeping difficulties and depressive symptoms over time. METHODS The sample was part of the Swedish Longitudinal Survey on Health from 2008 to 2014 (n=4,583). RESULTS Two stable trajectories (high and low perceived employability over time) and three trajectories with changes (increasing, decrea...

the main purpose of the present research is to determine the relationship between the management earnings forecast errors and conservatism level and then surveying about the effects of forecast difficulty, and external financing on this relationship. regarding this, the financial information related to 147 stock firms, available during the period of study (2003-2015) were collected and analyzed...

calving records from april 1998 to september 2006 comprising 104,572 calving events from 16 dairy herds of iran were used to analyze the potential effect of dystocia on calf stillbirth and productive traits in iranian holsteins. statistical analyses of production traits were performed using a linear mixed model procedure. also, a logistic regression model was constructed to analyze the effect o...

The objective of this study was to evaluate the economic and humanistic burden of chronic sleep maintenance insomnia characterized by nighttime awakenings (CINA). A database analysis of National Health and Wellness Survey, an annual cross-sectional study of health status and outcomes of US adults, was performed. CINA was defined as experiencing nighttime awakenings at least twice per week for m...

STUDY OBJECTIVES This study aimed to investigate the role of social factors, especially social support for sleep, among victims living at home around 1-2 years after the Great East Japan Earthquake and tsunami. DESIGN A cross-sectional household survey was conducted between May and December 2012 (14-21 months after the disaster) in the Ishinomaki area, Japan. Univariate and multivariate logis...