摘要
数百万人遭受过难以入睡或睡不安稳之烦扰。这里有一些经医学证明的方法，无需服用危险或使人成瘾的药物便可改善睡眠状况。
Millions of people are plagued by difficulty in falling asleep-and staying asleep. Here are some medically proven ways to get a better night＇s sleep without dangerous or habit-forming drugs.
出处
《大学英语》
2008年第2期34-36,共3页
College English
