inhaling certain essential oils shifts autonomic nervous system activity — heart rate, blood pressure, and breathing
Lavender, rosemary, bergamot, eucalyptus, rose, yuzu, lemon, grapefruit, and petitgrain essential oils modify autonomic nervous system activity — including heart rate, blood pressure, respiratory rate, and heart rate variability — via inhalation.
What this means for you
Your autonomic nervous system runs your heart rate, breathing, and stress response on autopilot. When aromatic compounds from oils like lavender, eucalyptus, or bergamot influence that system through inhalation, the result can be a measurable shift toward calm or alertness — depending on the oil. This is why certain scents genuinely change how you feel, not just how you think you feel.
The published research
The Effects of Essential Oils on the Nervous System: A Scoping Review.
Molecules (Basel, Switzerland) · 2023
This page describes a documented finding about the underlying wellness technology. It is not a marketing claim about any specific device. For information about HOCATT specifically, visit hocatt.com.