What are the stages of sleep? What is the difference between REM and non-REM sleep? What are the symptoms and treatments for insomnia, sleep apnea, and narcolepsy?

n examining the state of consciousness, answer the following questions:
What are the stages of sleep? What is the difference between REM and non-REM sleep?
What are the symptoms and treatments for insomnia, sleep apnea, and narcolepsy?
Provide title/reference page and citations.
Double-spaced, Times New Roman/12-point font, 1-inch margins in APA Format

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