list and explain 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, one paragraph should be 8-10 sentences ). Short answers will receive minimum points.

chapter 5.

textbook:  psychology A journey 5th edition by coon

https://2xyzby0b3e.pdcdn1.top/dl2.php?id=189601840&h=97f6298098a268bdceacc883bfffb794&u=cache&ext=pdf&n=Psychology%20a%20journey