Use the 3-3-3 rule —identify 3 things you see, 3 sounds you hear, and move 3 body parts—to pull your focus back to the present. Managing the "Adrenaline Hangover" Panic Attack Hangover: Symptoms & How to Cope - Talkspace
Practice slow, deep breaths, such as Belly Breathing or Paced Breathing (inhale for 4, exhale for 6) to calm your nervous system.
Recognize that the attack happened and remind yourself it is temporary.
