these are questions that weigh the influence of stress and fatigue that may result from change, scheduling and staffing issues, sleep deprivation, the general suitability of the environment or environmental distractions such as noise 这些问题权衡因轮班排班和人力问题睡眠不足周遭环境的适当性或环境吵杂导致分心等所产生的压力和疲惫的影响。