Sleep Studies of sleep deprivation Explanations of sleep

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Sleep Studies of sleep deprivation Explanations of sleep Restoration theory Ecological theory Implications of sleep deprivation studies for these theories www.psychlotron.org.uk

Sleep deprivation Rechtschaffen & Bergman (1995) Increased appetite, metabolism imply body working harder Immune function starts failing under prolonged deprivation Suggests sleep necessary for normal biological functioning www.psychlotron.org.uk

Sleep deprivation Webb & Bonnett (1979a) No obvious physiological effects following restricted sleep Tendency to recover missed sleep the following night ‘Rebound’ suggests that sleep is a necessary function www.psychlotron.org.uk

Sleep deprivation Webb & Bonnet (1979b) No apparent physiological effects following gradual reduction in sleep to 4hrs Implies that some of our sleep is optional www.psychlotron.org.uk

Sleep deprivation Individual case studies Wide variety of effects from mild to severe imply broad individual differences Effects may be from sleep deprivation or possible pre-existing pathology Difficult to generalise from single cases www.psychlotron.org.uk

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