[名词解释] 失眠症(insomnia)

现场急救电击伤患者的第一步是() ["A．切断电源","B．胸外心脏按压","C．包扎创面","D．注射FAT","E．预防感染"] 发作性睡病(narcolepsy) 睡眠时相推迟综合征(delayedsleepphasesyndrome) 睡眠障碍(sleepdisorders) 物质滥用(substanceabuse) 失眠症(insomnia)