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#Parasympathetic Nervous System

Articles tagged Parasympathetic Nervous System from The Breath Interval: breathing techniques, guides and practice.

A blueprint-style scientific drawing in white lines on deep navy: a branching nerve runs from the brainstem past the lungs and heart, beside a heart rhythm trace, with small handwritten annotations.

Vagus Nerve and Nervous System

Vagus Nerve Breathing: Hype vs Science (What Breathing Can and Can't Do)

Can you really reset your vagus nerve? A research-based look at vagal tone, HRV and breathing: what slow breathing can do for your nervous system, and the myths to skip.

October 15, 2026 · 7 min read

An Art Deco poster in black and gold: a short fan of rays on the left opens into a long sweeping fan on the right, illustrating a short inhale and a long, calming exhale.

Techniques

Why Longer Exhales Calm You Down: The Science of Extended Exhale Breathing

Breathing out longer than you breathe in activates the vagus nerve and the rest-and-digest response. Learn the 4-8 method, the best inhale-to-exhale ratio and what studies show.

October 15, 2026 · 7 min read

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