夜班防睡控制/记录器主要是为了防止值班人员在值夜班时睡觉的问题，通夜班防睡控制/记录器，提醒值勤人员，时刻保持清醒状态，从而保证值勤的工作效率。-Anti-night sleep control/recorder is on duty in order to prevent sleeping in the night when the issue of anti-sleep night pass control/recorder, to remind the staff on duty at all times keep a sober state, thus ensuring the efficiency of duty.