Well.. we have to know more detailed history.. that how long anxiety episodes stay..is it started after triggering event.. when episode come, you are awake or you woke up from sleep..and a little bit in detail about past episode.. you should consult nearby psychiatrist offline or can take help online too..
Till that time start doing PMR exercise and also keep track of stressing thoughts, so you can work on it too
Next Steps
Consult psychiatrists online or offline
Health Tips
Do Progressive Muscle Relaxation exercise..