Sleep deprivation is associated with considerable social, financial, and health-related costs,
in large measure because it produces impaired cognitive performance due to increasing …

Deficits in daytime performance due to sleep loss are experienced universally and
associated with a significant social, financial, and human cost. Microsleeps, sleep attacks …

Narcolepsy type 1 (NT1) is a sleep disorder caused by a loss of orexinergic neurons.
Narcolepsy type 2 (NT2) is heterogeneous; affected individuals typically have normal orexin …

The development and use of a new scale, the Epworth sleepiness scale (ESS), is described.
This is a simple, self-administered questionnaire which is shown to provide a measurement …

Adequate sleep is essential for general healthy functioning. This paper reviews recent
research on the effects of chronic sleep restriction on neurobehavioral and physiological …

Description: The American College of Physicians (ACP) developed this guideline to present
the evidence and provide clinical recommendations on the diagnosis of obstructive sleep …

The Epworth Sleepiness Scale (ESS) is a simple questionnaire measuring the general level
of daytime sleepiness, called here the average sleep propensity. This is a measure of the …

Vigilance is a term with varied definitions but the most common usage is sustained attention
or tonic alertness. This usage of vigilance implies both the degree of arousal on the sleep …

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 …

Sleepiness and fatigue are two interrelated, but distinct phenomena; observed in a number
of psychiatric, medical and primary sleep disorders. Despite their different implications in …