How to breathe, ground, and calm down — three techniques that work in under 5 minutes

Why these work

Slow, deliberate breathing activates the parasympathetic nervous system — the body's "rest and digest" mode — by stimulating the vagus nerve. The vagus nerve runs from the brainstem to the abdomen; slow breathing stretches it, which in turn slows the heart rate and reduces the stress-hormone cascade. The effect is measurable within 60 seconds: heart rate variability increases, blood pressure drops, the subjective feeling of anxiety decreases. The research is robust enough that the US military teaches box breathing to soldiers before operations.

Box breathing (4-4-4-4)

Inhale for 4 seconds. Hold for 4. Exhale for 4. Hold for 4. Repeat. The pattern is a square, which is where the name comes from. The technique is favoured by the US Navy SEALs and by most performance coaches. The free box-breathing tool on this site paces the four phases with a visual square and audio cues so you don't have to count.

4-7-8 breathing

Inhale for 4 seconds. Hold for 7. Exhale for 8. Repeat. The longer exhale is the active ingredient: extending the exhale relative to the inhale amplifies the parasympathetic response. The technique is from Dr Andrew Weil and is most useful when you are in a high-arousal state (panic, racing thoughts, acute anxiety). The free 4-7-8 tool on this site paces the three phases and reminds you to breathe through the nose.

5-4-3-2-1 grounding

Name 5 things you can see. 4 things you can hear. 3 things you can touch. 2 things you can smell. 1 thing you can taste. The technique works by forcing the brain to engage the senses, which interrupts the rumination loop that drives anxiety. It is most useful in the middle of a panic attack or a flashback, when the body is in "fight or flight" and the rational mind is offline. The free grounding tool on this site walks you through the five steps with visual and audio prompts.

When to use which

Box breathing: general stress, before a difficult conversation, after a shock. 4-7-8: acute anxiety, panic, racing thoughts at bedtime. 5-4-3-2-1: full panic attack, dissociation, flashback. None of these techniques are substitutes for professional mental-health support, and if you find yourself needing them often, the next step is a conversation with a GP.

What this site gives you

A box-breathing coach with a visual square and audio cues. A 4-7-8 coach. A 5-4-3-2-1 grounding walkthrough. A grief companion (separate, because grief is not a technique). A lucid-dreaming planner. All free, all in your browser, none of them upload your data anywhere.