Please discuss among yourselves the 4 different levels of sleep, including the names, description, and purpose of each one. NOTE: For full points, please give your initial response (2 paragraphs) and

Please discuss among yourselves the 4 different levels of sleep, including the names, description, and purpose of each one.

NOTE: For full points, please give your initial response (2 paragraphs) and then reply to at least 3 of your fellow classmates responses. Short answers will receive minimum points.

textbook:  psychology A journey 5th edition by coon