The term sleep deprivation refers to getting less than the needed amount of sleep.

睡眠不足一词是指缺觉。

Sleep deprivation is a condition that might seem minor, but it can have major negative effects on your activities and quality of life.

睡眠不足是一种看似无关紧要的疾病，但是它对你的活动和生活质量却能产生重大的负面影响。

来源：同文世纪翻译，转载请注明出处！