Question 32: A. essential

Explanation: According to the passage, establishing a regular sleep schedule and creating a relaxing bedtime routine are essential to avoid the negative consequences of staying up late.

Question 33: B. the importance of limiting caffeine consumption to improve sleep quality

Explanation: The passage does not explicitly mention the importance of limiting caffeine consumption to improve sleep quality. It focuses more on establishing healthy bedtime habits and prioritizing sleep to mitigate the negative effects of staying up late.

Question 34: D. result

Explanation: In the context of the passage, the word "consequence" refers to the result or outcome of staying up late, which includes disrupting the body's sleep pattern, feeling tired during the day, weakening the immune system, impairing cognitive function, etc.

Question 35: B. the negative effects of staying up late and the importance of prioritizing sleep.

Explanation: The passage discusses the negative effects of staying up late, such as disrupting sleep patterns, impairing cognitive function, and weakening the immune system. It emphasizes the importance of prioritizing sleep and establishing healthy bedtime habits to mitigate these negative effects.

Question 36: A. staying awake past your usual bedtime

Explanation: The word "if" in paragraph 1 refers to the action of staying awake past your usual bedtime. It introduces the condition or situation that can lead to significant consequences as discussed in the passage.