英语单词在线学习“睡眠负债”是什么呢？

　　Let's take a look. Sleep debt is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental and/or physical fatigue。英语单词在线学习翻译：

　　睡眠负债(sleep debt)指长期睡眠不足产生的影响。睡眠负债过多可能会导致精神或身体疲惫。原来这就是“睡眠负债”，那么导致“睡眠负债”的起因，又或者说导致这种情况浮现的起源又有哪些呢?别着急，我接着来看看下面的内容。

　　There are presumed to be two kinds of sleep debt, caused by partial sleep deprivation or total sleep deprivation. Partial sleep deprivation occurs when a person sleeps too little for many days or weeks. Total sleep deprivation means being kept awake for days or weeks.

　　睡眠负债的来源有两种：部分睡眠不足跟整体睡眠不足。前者指一个人持续几天或多少周每天都睡很短的时间;后者则指一个人连续几天或几周不合眼。几天或者多少周不睡觉?这样的睡眠状况真的很蹩脚，长期处于这样“睡眠负债”状况断定会造成一定的影响的。

　　It may cause emotional upset, compromise work performance,weaken memory, alertness, attention as well as judgment. It may also speed up one’s ageing process and lead to other types of diseases.

　　长期处于睡眠负债的状态中，岂但会影响感情、工作表现、还会减低记忆力、警戒性、留心力跟判断力、并且加速老化，甚至引发其它疾病等英语单词在线学习内容。