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Different stages of sleep in AP Psychology

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team

Definition

Different stages of sleep refer to the distinct and recurring patterns of brain activity and physiological changes that occur during the sleep cycle. These stages are characterized by varying levels of brain wave activity, eye movement, muscle tone, and vividness of dreams.

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