stages of sleep
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Sleep (non-human) — Sleep in non human animals refers to how the behavioral and physiological state of sleep, mainly characterized by reversible unconsciousness, non responsiveness to external stimuli, and motor passivity, appears in different categories of animals … Wikipedia
sleep — sleepful, adj. sleeplike, adj. /sleep/, v., slept, sleeping, n. v.i. 1. to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake. 2. Bot. to… … Universalium
Sleep — Waking up redirects here. For other uses, see Waking Up (disambiguation). This article is about sleep in general; for specifically non human sleep see Sleep (non human); for other uses, see Sleep (disambiguation). Sleeping child Sleep is a… … Wikipedia
Sleep — The body’s rest cycle. Sleep is triggered by a complex group of hormones that are active in the main, and that respond to cues from the body itself and the environment. About 80 percent of sleep is dreamless, and is known as non rapid eye… … Medical dictionary
sleep — n. a state of natural unconsciousness, during which the brain s activity is not apparent (apart from the continued maintenance of basic bodily functions, such as breathing) but can be detected by means of an electroencephalogram (EEG). Different… … The new mediacal dictionary
Sleep paralysis — is paralysis associated with sleep that may occur in healthy persons or may be associated with narcolepsy, cataplexy, and hypnagogic hallucinations. The pathophysiology of this condition is closely related to the normal hypotonia that occurs… … Wikipedia
Sleep apnea — Classification and external resources Obstructive sleep apnea ICD 10 G … Wikipedia
Sleep disorder — Classification and external resources ICD 10 F51, G47 ICD 9 … Wikipedia
Sleep medicine — is a medical subspecialty devoted to the diagnosis and therapy of sleep disturbances and disorders. From the middle of the 20th century, research has provided increasing knowledge and answered many questions about sleep wake functioning. [cite… … Wikipedia
Sleep induction — Sleep induction, the deliberate effort to bring on sleep by various techniques or medicinal means, is practiced to lengthen periods of sleep, increase the effectiveness of sleep, and to reduce or prevent insomnia. Contents 1 Alcohol 2 Guided… … Wikipedia
