MY ACIM JOURNEY TOOK A DARK TURN - CAN SOMEBODY 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 scary turn. My dreams are filled with nightmares. My thoughts are always swirling and I feel like I'm falling apart. Has anyone else experienced something similar? I need help, please! I'm feeling so lost and alon