Anxiety is a very common mental health condition that consists of excessive worry, fear, or nervousness that is difficult to control and can interfere with daily life.
You may have anxiety if you are experiencing restlessness, rapid heartbeat, feeling on edge, muscle tension, trouble concentrating, sleep difficulties, irritability, and physical symptoms including trembling, sweating, or shortness of breath.
https://www.simplypsychology.org/what-is-exposure-and-response-prevention-therapy.html