According to the two-process model of sleep regulation, the timing and structure of sleep are
determined by the interaction of a homeostatic and a circadian process. The original …

Sleep disorders and various common acute and chronic medical conditions directly or
indirectly affect the quality and quantity of one's sleep or otherwise cause excessive daytime …

Objective: Establish the dose-response relationship between increasing sleep durations in a
single night and recovery of neurobehavioral functions following chronic sleep restriction …

Objective: To determine the extent to which individual differences in vulnerability to total
sleep deprivation also reflect individual differences in vulnerability to multiple nights of sleep …

Sleep is a key element, both physiologically and psychologically, in adolescent
development. The prevalence of sleep disorders in western countries is important, as with …

Rotating shift and permanent night work arrangements are known to compromise sleep. This
study examined the effects of work schedule on sleep duration, excessive sleepiness, sleep …

Recent experimental observations and theoretical advances have indicated that the
homeostatic equilibrium for sleep/wake regulation—and thereby sensitivity to …

Sixty subjects were tested five times per waking day on two occasions for accuracy and
reliability in throwing 20 darts at a target. Two experimental conditions were investigated …

Sleepiness is related to factors such as the time of day, the time since awakening and the
duration of prior sleep. The present study investigated whether actual road crashes could be …

The prevalence of artificial light exposure has enabled us to be active any time of the day or
night, leading to the need for high alertness outside of traditional daytime hours. To address …