Square Breathing

Silently count as you breathe. Breathe in 1- -2- -3- -4, hold 1- -2- -3- -4, breathe out 1- -2- -3- -4, hold 1- -2- -3- -4

If a 4 second count is too slow, you can speed up to a 3 second count:  Breathe in 1- -2- -3, hold 1- -2- -3, breathe out 1- -2- -3, hold 1- -2- -3