Hi ,thank you for sharing your query ..
I can understand your concern .. Anxiety happens due to imbalance of certain chemicals in our brain .. and it has no particular reason , I can understand that panic attack gives you nightmare . But you can overcome it by proper counselling as well as Medication
You need to devlop certain coping skills as well as you can do deep breath exercise
After covid ,it's Post covid Anxiety ,it's very common , you can deal that Anxiety with proper Medication for few days and as well as counselling sessions
For details assessment n evaluation need to consult Psychiatrist
With regards
Next Steps
need to consult Psychiatrist
Health Tips
Do regular exercise as well as deep breathing exercise