给出一篇500字左右的文章，要求其中每个句子的开头字母都是大写，并且文章中不得使用重复的单词。


标题: 睡眠对身体的重要性
文章内容：现代人面对繁忙的生活和工作压力，往往会牺牲睡眠时间，导致身体出现不良反应。长期睡眠不足会影响记忆力和思维能力，还会影响免疫力以及心血管系统的健康。因此，睡眠对人体健康至关重要。而睡眠质量也与诸多因素有关，如睡前饮食、环境、压力等。因此，我们应该保证充足的睡眠时间，并注意改善睡眠质量。
Sleep is crucial for the human body, yet modern people often sacrifice it due to busy lives and work pressure. Insufficient sleep can impact memory and cognitive abilities, as well as the immune and cardiovascular systems. Therefore, sleep is vital to human health, and sleep quality is influenced by various factors such as pre-sleep diet, environment, and stress. Thus, we should ensure adequate sleep time and pay attention to improving sleep quality.