Objective To examine published evidence on the psychometric properties of the Epworth
sleepiness scale (ESS) for describing the level of daytime sleepiness (DS) in adults …

Common symptoms associated with sleep fragmentation and sleep deprivation include
increased objective sleepiness (as measured by the Multiple Sleep Latency Test); …

Background Evidence of an association between sleep duration and depression was
inconsistent. Methods Adults who participated in the National Health and Nutrition …

Background Obstructive sleep apnea (OSA) is a major risk factor for perioperative adverse
events. However, no screening tool for OSA has been validated in surgical patients. This …

Context: Few studies and no international comparisons have examined the impact of
multiple chronic conditions on populations using a comprehensive health-related quality of …

Background Polysomnography is used to assess sleep quality and to gauge the functional
effect of sleep disorders. Few population-based data are available to estimate the variation …

While much is known about the negative health implications of insufficient sleep, relatively
little is known about risks associated with excessive sleep. However, epidemiological …

Subjective reports of sleep disturbance indicate that 70–91% of patients with post-
traumatic stress disorder (PTSD) have difficulty falling or staying asleep. Nightmares are …

We examined the association between self-reported sleep duration and metabolic syndrome
(MetS). Data were collected from 36 cross-sectional and 9 longitudinal studies with a total of …

BACKGROUND: Obstructive sleep apnea (OSA) is present in a significant proportion of the
population, but the majority of patients remain undiagnosed. It is crucial that …