Sleep debt is the cumulative¹ effect of not getting enough sleep. A large sleep debt may lead to mental and/or physical fatigue².

 

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。

 

There are presumed to be two kinds of sleep debt, caused by partial sleep deprivation³ 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：部分睡眠不足和整体睡眠不足。前者指一个人连续几天或几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。

 

A long-term sleep debt may cause emotional upset, compromise work performance, weaken memory, alertness, attention as well as judgment⁴. 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况中，不但会影响情绪、工作表现、还会减低记忆力、警觉性、注意力和判断力、并且加速老化，甚至引发其它疾病。

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