Disclaimer before I start: I brought this issue up with doctors multiple times, but it was dismissed as a symptom of anxiety. So, I think it is. 

My anxiety is not constantly strong, it comes and goes in waves according to how calm or stressful my life is at that time. It's always present, but some periods are blissful and some are absolutely unbearable. Whenever I have my anxious periods, I experience very shallow breathing. 

I am very "air hungry" and have to try hard to take a proper breath. During the day as I am busy doing things, the problem is not so noticeable but at night it keeps me awake. My brain "forgets" to breath properly as I am falling asleep and I wake up. Especially, after some very stressful situations, this issue becomes stronger and stronger, and then if my life is calmer it subsides. It takes about a week to "recover". Has anyone experience anything similar? Do you have any tips on how to breath better with anxiety? 

Thank you all.