“…Zolpidem dosages ranging 30 to 450 mg daily. Three subjects were affected with a mood disorder (e.g., Dysthymic Disorder or MDD) accompanied with a secondary insomnia, which is comparable with clinical cases previously described [45,46,50,53,71,88,[90][91][92][95][96][97][98]. Two cases reported previous traumatic experiences (physical and/or sexual and/or psychological abuse) which may partially explain zolpidem abuse as a tool to relieve and cope with stress-related disorders, as previously reported in literature [52,89].…”