If, like Brené Brown, you think breathwork is too airy fairy for you, then, like Brené Brown, you may begrudgingly accept to try box breathing in the knowledge that even Navy SEALs use it to help regain calm when under stress.

Here’s how it works:

1. Inhale for 4 seconds

2. Hold the breath in for 4 seconds

3. Exhale for 4 seconds

4. Hold the breath out for 4 seconds