After a busy morning, lunch can feel like just the pick-me-up you need — but sometimes the meal you thought would energize you is the very thing that makes you want to sleep at your desk. Part of this phenomenon is due to basic physiology: The tendency to get tired after eating doesn’t mean there is something wrong with your body. But there can be additional factors that make this natural response worse. Here’s what to watch out for and how to make adjustments.

#1               

When it comes to why you feel overly tired after eating, a common cause is consuming meals that are heavy in terms of quantity or quality. Some people overeat instead of stopping when they feel comfortably satisfied. Not eating breakfast can also lead to overeating later in the day if excessive hunger makes controlling your appetite difficult. Sometimes, however, the makeup of certain foods can contribute to tiredness. Fats are the hardest nutrient to digest. If you had a meal high in fat — such as fried foods or pizza — that could make you feel tired. Meals high in added sugar can have the same effect.

#2               

Sleep regulates (调整) your hormones (激素), including your digestive (消化的) ones. And if you have a poor sleep, your body’s likely to suppress the hormone called leptin that signals “I’m full and don’t need any more”. Having a poor sleep can also negatively affect your decision-making skills, emotional regulation and a brain region that regulates food intake, making it harder to resist the strong desire for highly delicious foods.

#3               

If you regularly feel sleepy after eating even after making dietary (饮食的) adjustments, ask your doctor to give the hemoglobin A1c test to you. The test measures average blood sugar levels and shows how much glucose (葡萄糖) is attached to hemoglobin (血红蛋白) in red blood cells. If that’s high, it shows that your body is struggling to metabolize food.

1.In writing Paragraph 1, the author aims to __________.

A propose a definition

B make a comparison

C introduce the topic

D present the argument

解析：选C。C 推理判断题。根据该段内容可知，吃完就犯困不一定意味着身体出了毛病，但是有一些因素会加重这种自然反应，让接下来的工作和其他活动变得很艰难，接下来作者用“Here’s what to watch out for and how to make adjustments.”引出下文内容：应该注意哪些因素，以及怎么做才能减轻饭后的困倦感。因此该段的作用是引出本文要讨论的话题。故选C。

2.The underlined word “suppress” in Paragraph 3 can be understood as “___________”.

A dedicate

B prevent

C acquire

D accuse

解析：选B。B词义猜测题。根据前面的“Sleep regulates your hormones, including your digestive ones”和后面的“I’m full and don’t need any more”可知，睡眠能调节激素分泌，包括你的消化系统中的激素，如果你睡眠不足，你的身体会suppress一种叫leptin的激素的分泌，这种激素会发出信号让大脑知道“我已经饱了，不用再吃了”。再结合上一段内容中的：如果你饭后觉得特别累，一个常见的原因是你吃得太多或太油腻，可知我们由于吃的太多，所以饭后觉得累，吃太多是因为我们大脑没有收到由leptin激素分泌的“我已经饱了，不用再吃了”的信号，因此睡眠不足会让我们的身体“抑制”leptin激素的分泌。故选B。

3.Which is the right order of #1, #2, and #3? ①Blood sugar issues ②Heavy or sugary meals ③Poor sleep

A ③②①

B ①②③

C ①③②

D ②③①

解析：选D。D推理判断题。第二段主要讲了油腻或高糖的饭食会引发餐后嗜睡症；第三段主要讲了睡眠不佳的影响；最后一段讲了血糖问题的影响。故选D。

4.What could be the best title for the passage?

A Tired after eating? Here’s why, and how to fix it.

B No time for lunch? Here’s how to deal with it.

C Tired after waking up? Here’s why and how to solve it.

D Can’t sleep at night?Here’s how to deal with it.

解析：选A。A主旨大意题。本文主要介绍了哪些因素导致一些人一吃饱就犯困的加重，以及怎么做才能减轻饭后的困倦感。故选A。