People who experience microsleeps usually remain unaware of them, instead believing themselves to have been awake the whole time, or to have temporarily lost focus.
经历过微睡眠状况的人通常都对此毫不察觉，他们以为自己一直处于清醒状态，或者认为自己只是偶尔走神了。
2
Microsleeps become extremely dangerous when they occur in situations which demand constant alertness, such as driving a motor vehicle or working with heavy machinery.
在驾驶摩托车，或是进行重型机械作业等需要高度警醒的工作中，出现微睡眠状况是极度危险的。
3
Laboratory experiments have confirmed that the sleep-deprived mind is prone to "microsleeps" - lapses of consciousness so brief that the subject may not even be aware of them.