Guided Breathing Exercise

Slow, deliberate breathing is one of the fastest scientifically supported ways to calm a racing heart and an anxious mind. Choose a technique below, press start, and let the circle guide you: breathe in as it grows, hold, and breathe out as it shrinks. No sign-up needed — everything runs in your browser.

Breathe in for 4 seconds, hold for 7, breathe out slowly for 8 — 4 cycles. Ideal for winding down and before sleep.

How do I use this tool?

Pick a technique, sit comfortably, and press start. Follow the circle: as it expands, breathe in through your nose; while it stays large, hold gently; as it contracts, breathe out slowly through your mouth. The counter shows the seconds of each phase, and the exercise ends by itself after a few cycles.

What is 4-7-8 breathing?

Popularized by Dr. Andrew Weil and rooted in pranayama practice, 4-7-8 breathing uses a long, slow exhale — twice as long as the inhale — to activate the parasympathetic nervous system, the body's "rest and digest" mode. The 7-second hold lets oxygen circulate while the extended exhale slows your heart rate. Many people use it to fall asleep faster or to settle a wave of anxiety.

What is box breathing?

Box breathing (also called square breathing) keeps all four phases equal: inhale, hold, exhale, hold — four seconds each, like tracing the sides of a square. It is famously used by Navy SEALs and emergency professionals to stay calm and focused under pressure, precisely because the even rhythm is simple to remember when stress narrows your attention.

Why does slow breathing calm anxiety?

When you exhale slowly, stretch receptors in your lungs signal the vagus nerve, which lowers your heart rate and tells the brain the danger has passed. Slow breathing also prevents the over-breathing (hyperventilation) that causes dizziness and tingling during panic. Research on paced breathing around six breaths per minute shows measurable increases in heart-rate variability — a marker of a calmer, more flexible nervous system.

Practice breathing daily with iyiyim — free

Frequently asked questions

How often should I practice breathing exercises?

A few minutes once or twice a day is a great start. Regular practice in calm moments trains the skill, so it is easier to use during anxious moments. Think of it like a muscle: the more you practice when calm, the stronger it works under stress.

Can breathing exercises stop a panic attack?

Slow breathing cannot instantly switch off a panic attack, but it prevents the over-breathing that fuels the scariest symptoms — dizziness, tingling, chest tightness — and shortens the wave. Combining it with grounding techniques and reminding yourself that panic always passes makes it even more effective.

Is my data collected by this tool?

No. This exercise runs entirely in your browser: nothing is recorded, sent, or stored on any server. You can also practice inside the iyiyim app, where guided breathing works offline as well.