Theories of Sleep Quiz

To increase cerebral blood flow and metabolic rate

To rebuild materials used during waking

To prevent the damaging effects of free radicals

To conserve energy and avoid predators (correct)

To restore or rebuild materials used during waking (correct)

To increase cerebral blood flow and metabolic rate

To decrease body temperature and muscle activity

To conserve energy and avoid predators

Physical exercise reduces the need for sleep

Physical exercise leads to longer sleep duration

Physical exercise results in shorter sleep duration

Physical exercise has no effect on sleep duration (correct)

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