Learn More
BACKGROUND Although several diagnostic systems define insomnia, little is known about the implications of using one versus another of them. METHODS The America Insomnia Survey, an epidemiological survey of managed health care plan subscribers (n = 10,094), assessed insomnia with the Brief Insomnia Questionnaire, a clinically validated scale generating(More)
STUDY OBJECTIVES To determine the long-term efficacy of eszopiclone in patients with chronic insomnia. DESIGN Randomized, double-blind, multicenter, placebo-controlled. SETTING Out-patient, with monthly visits. PATIENTS Aged 21 to 69 years meeting DSM IV criteria for primary insomnia and reporting less than 6.5 hours of sleep per night, and/or a sleep(More)
STUDY OBJECTIVES To assess the direct economic costs of insomnia in the United States in 1995. METHODS The costs of prescription medications were based on 1995 data compiled by IMS America, Ltd. (Plymouth Meeting, PA). Non-prescription medication expenditures were provided by Information Resources, Inc. (Chicago, IL). The costs of physician visits related(More)
Insomnia is characterized by difficulty falling asleep (sleep onset disturbance), difficulty staying asleep (sleep maintenance disturbance), or poor quality (nonrestorative) sleep, leading to impairment of next-day functioning, including psychological distress. Published prevalence estimates of insomnia vary considerably, very likely due to differences in(More)
An important function of sleep is the consolidation of memories, and features of sleep, such as rapid eye movement (REM) or sleep spindles, have been shown to correlate with improvements in discrete memory domains. Because of the methodological difficulties in modulating sleep, however, a causal link between specific sleep features and human memory(More)
The purpose of this study was to evaluate the efficacy of somnofluoroscopy in the selection of candidates for uvulopalatopharyngoplasty (UPPP). Somnofluoroscopy is a lateral fluoroscopic examination of the upper airway with synchronous polysomnography that provides information about the dynamic function of the airway and the level of stenosis or occlusion(More)
BACKGROUND Nocturnal urination (nocturia) is such a commonplace occurrence in the lives of many older adults that it is frequently overlooked as a potential cause of sleep disturbance. METHODS We examined the prevalence of nocturia and examined its role in self-reported insomnia and poor sleep quality in a survey of 1424 elderly individuals, ages 55-84.(More)
STUDY OBJECTIVES Although there are considerable data demonstrating the impact of shift work on sleep and alertness, little research has examined the prevalence and consequences of shift work sleep disorder in comparison to the difficulties with insomnia and excessive sleepiness experienced by day workers. The present study was designed to determine the(More)
BACKGROUND Depressed individuals effectively treated with selective serotonin reuptake inhibitors (SSRIs) often report persistent insomnia and require adjunctive sleep-promoting therapy. METHOD Men (N = 40) and women (N = 150) with a mean age of 41.6 years who had persistent insomnia in the presence of effective and stable treatment (at least 2 weeks)(More)
STUDY OBJECTIVES To estimate the prevalence and associations of broadly defined (i.e., meeting full ICD-10, DSM-IV, or RDC/ICSD-2 inclusion criteria) insomnia with work performance net of comorbid conditions in the America Insomnia Survey (AIS). DESIGN/SETTING Cross-sectional telephone survey. PARTICIPANTS National sample of 7,428 employed health plan(More)