2016年职称英语教材卫生类新增文章.doc

Common Questions about Dreams Does everyone dream?Yes. Research shows that we all dream. We have our most vivid dreams during a type of sleep called Rapid Eye Movement (REM) sleep. During REM sleep, the brain is very active. The eyes move quickly back and forth under the lids, and the large muscles of the body are relaxed. REM sleep occurs every 90-100 minutes, three to four times a night, and it lasts longer as the night goes on. ___1___ We dream at other times during the night, too, but those dreams are less vivid.Do people remember their dreams?A few people remember their dreams. However, most people forget nearly everything that happened during the night — dreams, thoughts, and the short periods of time when they were awake. ___2___ It seems that the memory of the dream is not totally lost, but for some reason it is very hard to bring it back. If you want to remember your dream，the best thing to do is to write it down as soon as you wake up.Are dreams in color?Most dreams are in color. However, people may not be aware of it for two reasons ： They don’t usually remember the details of their dreams, or they don’t notice the color because it is such a natural part of our lives. ___3___Do dreams have meaning?Scientists continue to debate this issue. ___4___ Some people use dreams to help them learn more about their feelings, thoughts, behavior, motives, and values. Others find that dreams can help them solve problems. It’s also true that artists, writers, and scientists often get creative ideas from dreams.How can I learn to understand my dreams?The most important thing to remember is that your dreams are personal. The people, actions, and situations in your dreams reflect your experience, your thoughts, and your feelings. Some dream experts believe that there are certain types of dreams that many people have，even if they come from different cultures or time periods. Usually, however, the same dream will have different meanings for different people. For exa