题型：语法填空（语篇） 题类：常考题 难易度：普通
高中英语-牛津译林版-高二上册-模块6 Unit 1 Laughter is good for you
Happiness means different things to different people. For Mary, who has severe sleeping problem, happiness is as simple as having a good night's sleep.
Bed was once a place Mary went to rest after a long, hard day. , she has not had a full night's sleep in almost six months. Her doctor said that (count) sheep might help her fall asleep. She tried this, but soon got tired of it after it failed to work. She finds the nights without sleep almost (bear) . She is always sleepy and lacks energy during the day.
Mary is not alone. Studies show that more than one in three people worldwide struggle with getting enough sleep. It often takes on different (form) : some people can get to sleep, but wake up much too early; some get a full night's sleep, but are (disappoint) to find that they still feel tired when they wake up; others, like Mary, find difficult to fall asleep in the first place.
Specialists say that people should not worry too much about this problem. In most cases , a lack of sleep (cause) by anxiety and pressure. It is important to keep yourself good spirits and to be positive.
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