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sleep — n. & v. n. 1 a condition of body and mind such as that which normally recurs for several hours every night, in which the nervous system is inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended. 2 a… … Useful english dictionary
sleep */*/*/ — I UK [sliːp] / US [slɪp] verb Word forms sleep : present tense I/you/we/they sleep he/she/it sleeps present participle sleeping past tense slept UK [slept] / US past participle slept 1) [intransitive] to go into a natural state in which you are… … English dictionary
Sleep-deprived driving — is the operation of a motor vehicle while being cognitively impaired by a lack of sleep. Sleep deprivation is a major cause of motor vehicle accidents, and it can impair the human brain as much as alcohol can. According to a 1998 survey, 23% of… … Wikipedia
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 out — {v.} 1. To sleep outdoors. * /The Scouts plan to sleep out next Saturday./ 2. To go home at night instead of sleeping at the place where you work. * /Mrs. Jones maid sleeps in, but her cook sleeps out./ … Dictionary of American idioms
sleep out — {v.} 1. To sleep outdoors. * /The Scouts plan to sleep out next Saturday./ 2. To go home at night instead of sleeping at the place where you work. * /Mrs. Jones maid sleeps in, but her cook sleeps out./ … Dictionary of American idioms
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
