1. What is one explanation for why humans sleep presented in the passage?

2. What is the purpose of the first 2 paragraphs?

3. How would you characterize the author’s last paragraph?

4. How would the author characterize delta sleep?

Any disturbition or publication of this work or page is illegal 

5. What would the author say about the relationship between environmental awareness and sleep?

6. What is the overall idea of the passage?

7. What is rem sleep most closely connected with based on the passage?

8. Which paragraph best illustrates sleep science is still a work in progress?

9. Based on the passage in which part of the brain is logic expressed?

10. Based on the text, what is the author’s likely purpose?

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