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Unformatted text preview: x We sleep based on an internal timing mechanism. x Sleep depends on vulnerability from predators. x Sleep deprivation may cause behavioral disturbances. x We have a sleep-wake cycle. x When we sleep is based on some evolutionary aspects. x 1. What are the main differences between the recuperation and circadian theories? 2. Which theory do you most agree with? Explain. 1a) The difference between circadian rhythm and recuperation is that recuperation refers to a recovery period. This is like when a patient recovers from an illness or a mental illness. Circadian rhythm is a 24 hour cycle in living creatures, like plants, animals, and humans. 2a) I believe in the recuperation theory, because I think that everyone needs to have a time in the day to rejuvenate, and it just makes sense to me. PSY 240...
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- Spring '10