The Meanings of Dreams
Sleep and dreams have interested people for centuries. Scientists are learning more about sleep, but they still know very little about why we dream.
      First, we have most of our dreams during REM (rapid eye movement) sleep. At this time, the brain is very active. Second, everyone dreams – even if we cannot remember doing so when we awaken.       While we are asleep, it works more slowly and sometimes puts our thoughts and memories together in strange ways.
      Some believe that our dreams are associated with thoughts and feelings that we experience while we are awake. Many dream researchers think that a dream about death, for example, is really about an important life change.       Dreams about a car or travel often represent feelings about your own life. Dreams about teeth – especially broken or loose ones may indicate stress and fear. Dreams in which you are flying often represent freedom or escape.
Researchers think people in our dreams can tell us something about ourselves. If the person in the dream was yelling (叫喊), for example, maybe you are angry.       
There is still a lot about dreaming that we do not understand. By learning more about our dreams, we may learn more about ourselves.

A．Dreams may be more important than sleep.

B．Scientists do not know for certain why we dream.

C．If he or she was terrified, then maybe you are afraid of something.

D．Modern research can tell us some important things about dreams.

E. There are three things you should pay attention to to have a sweet dream.
F. Finally, a part of our brain helps us to understand daily experiences we have.
G. Dreams about telephones are thought to be about giving or receiving an important message.

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