用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。

why , like , much, wake up , dream, again, sleep , about, think, quick

"Dreams (梦 ) may be more important than sleep. We all need to dream," some scientists say.
Dreams take up about one quarter of our ________ time. People have several _______each night. Dreams are like short films. They are usually in color. Some dreams are _______ old films. They come to us over and over _______. That may be because the dreamer is worrying about something. Dreaming may be a way of trying to find an answer.
Some people get new ideas_______ their work from dreams. They may have been _______ about their work all day. These thoughts can carry over into dreams.
Sometimes, we _______ with a good feeling from a dream. But often we can't remember the dream. Dreams can disappear (消失) _______ from memory (记忆).
Too much dreaming can be harmful (有害的). The _______ we sleep, the longer we dream. The mind is hard at work when we dream. That is _______ we may have a long sleep and still wake up tired.