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Compare and contrast two theories of the functions of sleep.
Member rating: No Rating | Words: | Submitted: Wed Jan 28 2004
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Compare and contrast two theories of the functions of sleep One theory that explains what they believe as the functions of sleep is the restoration theory. This theory believes that the main function of sleep is to save energy and to restore psychological functions. Oswold and Horne put forward this theory. They believe that slow wave sleep is useful for the recovery of processes in the body. In this type of sleep there is a release of growth hormone from the pituitary gland that stimulates protein synthesis that helps repair tissues in the body. They also believed that in REM sleep recovery processes also occur. Another theory is the evolutionary approach, this theory says that the main function of sleep is the need to survive i.e. we must sleep in order to survive. The theory suggests that a species will only be successful in survival if it adopts an appropriate pattern of...
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