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　　Dreams may be more important than sleep. Some people don't need much sleep. But we all need to dream, scientists 1 .

　　Dreams take up about one quarter of our sleeping time. People 2 several dreams each night. Dreams are like short films. They are usually in colour. Some dreams are like 3 films. They come to us over and over again. That may be because the dreamer is worried about 4 . Dreaming may be a way of trying to find an answer.

　　Some people get new 5 about their work from dreams. They could have been thinking about their work. 6 . These thoughts can carry over into dreams. Sometimes we wake up 7 a good feeling from a dream. But often we can't remember the dream. Dreams can 8 quickly from memory.

　　Too much dreaming can be harmful. The more we sleep, the 9 we dream.

　　The mind is hard at work when we dream. That is 10 we may have a long sleep and still wake up tired.

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