Book Synopsis & Overview
Regulate your autonomic nervous system on demand using targeted physiological sighs, vocal resonance drills, and cold thermogenesis.
Chapter 1: Heart Rate Variability (HRV) as a Biometric Compass
Higher HRV reflects a resilient parasympathetic brake. We measure and train your physiological sigh response to lower acute cortisol in 60 seconds.
Publishing & Format Specifications
- • Format: Reflowable EPUB 3.0 & Print-Ready PDF
- • DRM: 100% DRM-Free Lifetime Ownership
- • Compatibility: Kindle, Apple Books, Kobo, Android, and Web Reader