Hi atypical, my anxiety does not vanish but it varies in intensity throughout the day. I've discovered that there are often little things that trigger me. Like a certain thought or feeling that pops into my mind or a certain tv show. Sometimes I'll do something that causes my breathing to increase and then I suddenly become anxious because I relate fast breathing with anxiety. Whenever I feel an attack of anxiety coming on I try to keep myself busy so I don't ruminate on it and become depressed about it. Although I try not to lay down in bed sometimes I have to...then I try to calm my mind by breathing deep and repetitively trying to silence my thoughts through relaxation. Anxiety and the ensuing depression is no fun...you are not alone.....D.