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Behaviors2 mentions

Brief Respiratory Sinus Arrhythmia Practice

Practice long-exhale breathing while consciously thinking about slowing your heart rate on the exhale and increasing it on the inhale to train respiratory sinus arrhythmia, strengthen vagal pathways, and build vagal tone. Do this for 1–3 minutes or 1–5 minutes, either occasionally or daily.

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And we talked about preparing ourselves for grief. We can prepare ourselves to grieve more adaptively by regulating the level of catakolamines, in particular epinephrine, and tools such as the one found in our mastering stress episode and tools of the sort that we talked about today, increasing that veagal tone by actively building up the relationship between exhales and slowing down of the heart rate, so-called respiratory sinus arhythmia.

Andrew Huberman · The Science & Process of Healing from Grief | Huberman Lab Essentials · May 28, 2026 · 33:27 · YouTube ↗
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