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Outline one theory of the function of sleep
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A) Outline one theory of the function of sleep (6 marks) One theory of sleep is the Restoration theory proposed by Oswald et al in 1966, which suggests that the function of sleep, especially REM sleep is to restore the energy levels and to repair the brain and body. Restoration can be physical and psychological. Physical restoration indicates that sleep is necessary to restore biological processes in the body through REM sleep and Stage 4/NREM sleep. NREM sleep is when the body's processes are restored such as hormone levels and REM sleep is when the brains processes are restored, such as protein synthesis. Psychological restoration says that sleep is a vital function as it restores psychological functions and helps to avoid the ill effects that lack of sleep causes. B) Outline and evaluate one or more studies relating to the theory of sleep in part A (18 marks) Restoration theory...
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