We take breathing for granted since it happens automatically but many of us don't breathe properly which can lead to things from anxiety to high blood pressure to sleep apnea.
Practicing deep breathing can lessen your stress and anxiety, lower your heart rate, improve your sleep and get you more connected with your body. It is also the simples way to quiet your mind and find peace in your busy day.
There are many breathing techniques out there and there isn't a consensus best method. Ultimately experiment and find what works for you.
Two of the most popular methods are box breathing, made popular by the Navy Seals, and the 4-7-8 method. Try them out....