Box breathing, also referred to as square breathing, is a deep breathing technique that can help you slow down your breathing. It works by distracting your mind as you count to four, calming your nervous system, and decreasing stress in your body. This tool or coping skill is a simple but powerful relaxation technique that can help return your breathing pattern to a relaxed rhythm. It can clear and calm your mind, improving your focus.

www.webmd.com/balance/what-is-box-breathing#:~:text=Step%201%3A%20Breathe%20in%20counting,your%20mouth%20for%204%20seconds.