由于睡眠的累积和昼夜节律紊乱,引起操作活跃性和警惕性降低,使得多种类型飞行操作,尤其是国际航班的飞行人员受到折磨。因职业需要而增加瞌睡的 Due to the accumulation of sleep and disruption of circadian rhythms, there has been a reduction in operational activity and vigilance that has afflicted pilots of many types of flight operations, especially on international flights. Increased drowsiness due to job needs