Breathing Exercise Timer
Guided box breathing: 4-4-4-4 to calm your mind.
Ready
Cycles completed: 0
How to use
Press Start and follow the circle: breathe in, hold, out, hold.
Frequently asked questions
What is box breathing?
Inhale 4s, hold 4s, exhale 4s, hold 4s — used by athletes and the military.
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