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HRV

Heart rate variability (HRV) is the gold standard biomarker for autonomic balance. At NEST, we use real-time HRV monitoring to quantify intervention effects.

8 articles
Vagus Nerve Exercises: 7 Clinically Validated Methods for Autonomic Regulation
Neuro

Vagus Nerve Exercises: 7 Clinically Validated Methods for Autonomic Regulation

Vagus nerve exercises with clinical evidence: breathing techniques, cold stimulation, massage, and vibroacoustic therapy for measurable HRV improvement.

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Elevated Cortisol: Why Supplements Don't Work and What Actually Does
Burnout

Elevated Cortisol: Why Supplements Don't Work and What Actually Does

Elevated cortisol isn't a supplement deficiency. It's HPA axis dysregulation. This protocol addresses the cause via HBOT, photobiomodulation, and vagal stimulation.

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Vagus Nerve Exercises: What Actually Works — and When Exercises Aren't Enough
Neuro

Vagus Nerve Exercises: What Actually Works — and When Exercises Aren't Enough

Vagus nerve exercises for home practice + clinical stimulation for chronic dysregulation. With HRV measurement and PubMed evidence.

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Vagus Nerve Stimulation: Non-Invasive Methods for Autonomic Regulation
Neuro

Vagus Nerve Stimulation: Non-Invasive Methods for Autonomic Regulation

Stimulate the vagus nerve without implants. Vibro-acoustic therapy, photobiomodulation and clinical protocols for autonomic dysregulation.

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The Save Button: Why Rest After Oxygen is Essential
Cognitive

The Save Button: Why Rest After Oxygen is Essential

Neuroplasticity does not occur during the stimulus, but afterwards. Why your phone is the enemy of your session and how 'Optic Flow' anchors the result.

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Improving HRV: The Objective Measure of Stress and Recovery
Data

Improving HRV: The Objective Measure of Stress and Recovery

Your Heart Rate Variability (HRV) does not lie. Learn why a low HRV indicates sympathetic dominance and how to restore this via resonance breathing.

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Relationship Problems and the Polyvagal Theory: Co-Regulation
Relations

Relationship Problems and the Polyvagal Theory: Co-Regulation

Is your relationship struggling? Often this is not a communication problem, but a Dorsal Vagal Shutdown. Discover how co-regulation works.

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Orthosomnia: When Sleep Tracking Causes Stress
Data

Orthosomnia: When Sleep Tracking Causes Stress

You measure everything for the perfect night's sleep, but sleep worse. Discover how data obsession leads to the nocebo effect and orthosomnia.

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