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2 CHECK. Write answers to the questions with information from the article.

1. What is one theory that researchers have for the reason we sleep?

2. What is one reason that some people don’t get enough sleep?

3. What can happen if you don’t get enough sleep?

4. What does Ignacio Buqueras y Bach think TV networks should do?

DISCOVER. Complete the exercises to learn about the grammar in this lesson.

Write the missing words in the sentences from the article in exercise 1.
il, __ Slegeiing) takes up about one-third of our lives.

2. It might be that the sleeping brain helps us remember important things by
sss forget unimportant things.

3. Sleep is a necessary part of _____ Ss heal thy life.

4. enough sleep can have serious consequences.

5. In his opinion, TV networks should consider their schedules
so that people can spend more time

The words you wrote in exercise A are gerunds. Look back at exercise A. Then read the
statements below. Circle T for true or F for false.

1. A gerund can be the subject of a sentence.
2. A gerund can be the object of a preposition.

3. A gerund can be the main verb in a sentence.