The speaker sounds disappointed, as he was so close to finally grasping but they keep leaving him. It also says he chases them madly but is unable to catch them. Showing disappoint in himself.
Answer:
compare and contrast.
Explanation:
The passage starts with a statement backed by popular opinion, "Most people think of sleep as a time when the mind and body can rest after a day of activity." After this it throws a curve ball giving a statement backed by fact, saying, "doctors know much more than that." The passage proceeds to explain what doctors know, which is comparing and contrasting, popular belief and fact.
This is pretty much the whole structure of this informational passage.
A. Although opponents may argue we should not ban bottled water, banning bottled water reduces waste.
Not only does this statement acknowledge the opposing argument, it also acts as a rebuttal by supporting the claim that bottled water should be banned.