Well when you're talking about dealing with stress with parents, etc., it screws your concentration up royally. Deep fear set in a couple of months ago just b/c we're dealing with dementia with Daddy. Was it happening to me too, just earlier in life? So I talked to my Dr. about it, and he said that it didn't appear to be anything more with me than extreme stress. His advice: walk my dogs more to make sure I'm tired at the end of the day, so I sleep better; and keep music that relaxes me playing in the background.