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Theories of Sleep
Jasmine Wilson



The Question: Describe and evaluate theories of sleep

*angle of attack* what is sleep for? What does it do for us?



Evolutionary Theory of Sleep
Meddis considers the evolution of sleep in animals to help understand the role of sleep in
humans
Blakemore suggested sleep…

Page 2

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Theories of Sleep
Jasmine Wilson




The Restoration Theory
Hobson ­ "we don't yet know exactly how sleep ensures sufficient brain function,
but that it does so is beyond doubt"
REM sleep allows restoration of brain processes and NREM sleep allows restoration
of body processes. (Oswald)
Horne has different ideas ­…

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