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sleep

(Encyclopedia) sleep, resting state in which an individual becomes relatively quiescent and relatively unaware of the environment. During sleep, which is in part a period of rest and relaxation, most…

Bogart, Humphrey DeForest

(Encyclopedia) Bogart, Humphrey DeForestBogart, Humphrey DeForestbōˈgärt [key], 1899–1957, American film actor, b. New York City. After a succession of stage roles he achieved note with his portrayal…

sleep apnea

(Encyclopedia) sleep apnea, episodes of interrupted breathing during sleep. Obstructive sleep apnea is a common disorder in which relaxation of muscles in the throat repeatedly close off the airway…

Cartwright, Rosalind Dymond

(Encyclopedia) Cartwright, Rosalind Dymond, 1922-2021, American sleep researcher, b. Brooklyn, N.Y., as Rosalind Dymond Falk, Univ. of Toronto (B.A…

Hawks, Howard

(Encyclopedia) Hawks, Howard (Howard Winchester Hawks), 1896–1977, American film director, b. Goshen, Ind. Although not as well known as such contemporaries as John Ford and Alfred Hitchcock, he has…

Mitchum, Robert

(Encyclopedia) Mitchum, Robert (Robert Charles Duran Mitchum), 1917–97, American film actor, b. Bridgeport, Conn. He found extra work and bit parts in early 1940s movies, and first achieved wide…

Chandler, Raymond Thornton

(Encyclopedia) Chandler, Raymond Thornton, 1888–1959, American author, b. Chicago, educated in England. After World War I, he entered the oil business in California. Bankrupt during the Depression,…

narcolepsy

(Encyclopedia) narcolepsy, a sleep disorder characterized by excessive daytime sleepiness and recurring unwanted episodes of sleep (“sleep attacks”). People with narcolepsy may abruptly fall asleep…

dream

(Encyclopedia) dream, mental activity associated with the rapid-eye-movement (REM) period of sleep. It is commonly made up of a number of visual images, scenes or thoughts expressed in terms of…