Learning related vocabulary words and expressions about a certain topic is quite helpful in successfully communicating ideas. Most ineffective communication in foreign language results from a limited vocabulary. In the hope of enhancing the student's oral ability, as well as of getting their meaning across at the same time, this unit is designed to help students to talk about the suject of sleep.  In this lesson we will look at some of the words and expressions that are commonly used for sleep. There are also some practice sessions and quizzes for you to check your understanding. And remember, practice makes perfect. Do find a partner or talk to yourself as often as possible with the expressions you learn from this lesson.

Reading and writing are often closely related.  By reading a good example of writing, the reader can benefit themselves from an experienced writer's effective writing, and, in turn, improve their writing skills.  In addition, understanding the style of writing will also help the reader to take in information from the article, as well as to enhance their comprehension of the aritcle.  Thus, in this unit, we will first focus on the style of comparison writing and learn topic-related vocabulary words and expressions.