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Describe the Stages of Sleep and How Sleep Patterns Change

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Essay

Describe the stages of sleep and how sleep patterns change as we age.


Definitions:

Homeostasis

The regulatory process through which organisms maintain internal balance and stability.

Physiological Stability

The state of steady internal physical and chemical conditions maintained by living systems necessary for survival.

Psychological Stability

The state of being mentally sound and possessing the ability to maintain a consistent and balanced psychological condition.

Evolutionary

pertaining to evolution, it refers to the processes by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

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