MY ACIM JOURNEY TOOK A DARK TURN - CAN SOMEONE HELP?!

I've been studying A Course in Miracles for quite some time, and I thought it was truly helping me. {But lately, things have taken a negative turn. My dreams are filled with horrific visions. My thoughts are never-ending and I feel like I'm falling apart. Has anyone else experienced something similar? I need help, please! I don't know what to d