Hi thanks for writing. Would this be the first time you are experiencing this? Symptoms of anxiety can be the same way. Symptoms of anxiety are breathing difficulties, sleep disturbances, excessive thinking, lack of concentration. This is very much treatable.
Next Steps
Please meet with a psychologist for a counselling session to understand better.
Health Tips
Make lifestyle changes with good diet, sleep, exercise and engaging self with good hobbies and activities to destress