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  3. Sleep is an important part of our lives. We spend out one-third of our live

Sleep is an important part of our lives. We spend out one-third of our live

游客2025-05-10  10
问题      Sleep is an important part of our lives. We spend out one-third of our lives sleeping. For millions of people, 【C1】______ , getting enough sleep is a continuing struggle. A recent study found that thirty-five percent of Americans have 【C2】______ going to sleep or staying asleep. The problem is called insomnia. Insomnia exists 【C3】______ a person is not able to get the 【C4】______ of sleep needed to operate effectively. Insomnia is not 【C5】______ in numbers of hours of sleep. This is because different people need 【C6】______ amounts of sleep to feel rested. The most common problems 【C7】______ from insomnia are sleepiness and trouble in  completing work. Other problems are emotional disorders and difficulty 【C8】______ thinking. The treatments for 【C9】______ were discussed at a recent meeting of the Association of Professional Sleep Societies. The group’s sleep experts say there are three kinds of insomnia. One 【C10】______ is called transient insomnia. It 【C11】______ just a few days. It is a result of moderate tension. The tension can be caused by a long airplane flight or a brief stay in a hospital. 【C12】______ kind is called short-term insomnia. It lasts several weeks and results from more 【C13】______ tension. The tension may be caused by problems at work or at home, a major sickness or the death of a loved one. The third kind of insomnia is called 【C14】______ . It lasts longer than several weeks. It often is a sign of severe physical or 【C15】______ problems. Sleep experts say anyone with long-term insomnia should be examined so the cause can be found and treated.
      Many things we eat or drink can affect our 【C16】______ . Drinks containing alcohol or caffeine can block sleep. 【C17】______ can some medicines. Other causes of insomnia include breathing problems or sudden, uncontrolled body movements during sleep. Because insomnia has so many causes, not all treatments are 【C18】______ for everyone. But experts have offered some simple ideas that work for most people. If 【C19】______ to sleep, they say, get up and go to another room, if possible. Stay up until you are really 【C20】______ , then return to bed. Get sip at the same time every day. Do not exercise just before going to bed. And, do not worry about past problems or future plans. [br] 【C2】______
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答案 diffficulty/trouble
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