I'm 64 in December, have scar tissue in my head from a concussion back in the 70's. Recently, I have been falling when I wake in the middle of the night. My body goes numb from the neck down, so I can't help or stop myself from falling. Right now I look like I've had a nose job, as my eyes are black and blue, my head has a gash in it and my face hurts. Any ideas what's causing this? Could it be related to the scar tissue, as that used to cause me seizures when I got stressed. I'm retired now, so not so stressed.