Having issues reading the Quran?

I'm a devout Christian, but I decided to read the Quran for the first time in its etirity. I received a free Quran (Yusuf Ali translation) and for the past three nights I have had terrible nightmares usually after reading the Quran at night I don't normally get nightmares it has been years since I last had one. But since I started reading the Quran I