I have written a similar essay. Except it was multiple pieces completed by two different artists. I would say start with the intro, then write the similarities in the second paragraph, the differences in the second paragraph, and the conclusion. If you need more paragraphs to reach requirements then do this:
1. Intro: give brief background to artwork and artist and write thesis
2. Similarities in technique
3. Differences in technique
4. Similarities in emotion conveyed
5. Differences in emotion conveyed
6. Conclusion: summarize comparison and rephrase thesis.
*no idea if this answers your question*
Answer:
Adult nightmares, for example, might be brought on by worry and sadness. Post-traumatic stress disorder (PTSD) is also known to induce persistent, recurring nightmares in a large number of persons. Adults might have nightmares as a result of various sleep problems. Sleep apnea and restless legs syndrome are examples of such conditions.
Explanation:
Hope it helps:)
It is the choice or arrangement of words