Course 33Course 33: The Second Cohort Starts November 1
The second Course 33 cohort starts November 1, 2026: 21 days on the Harmony Board, live sessions with Arash, and a small group doing it together.

Evidence-based insights on mental performance, breathwork, neuroscience, and peak performance.
Course 33The second Course 33 cohort starts November 1, 2026: 21 days on the Harmony Board, live sessions with Arash, and a small group doing it together.
Meditation & Ancient PracticeThe meditation app era promised stillness at scale and delivered content nobody finishes. Here's why Course 33 takes a different approach, and why it starts with a board full of nails.
Lifestyle & RecoveryA 30-minute nervous system protocol designed to stabilize cortisol rhythms, improve HRV, and train attention before cognitive overload begins. This guide explores how mornings shape emotional regulation, focus, and stress resilience.
Neuroscience & BrainA science-informed overview of the vagus nerve, HRV, and how the autonomic nervous system influences stress, emotion, and performance. Explores evidence-based practices such as breathing, cold exposure, meditation, and social regulation to support nervous system balance.
Neuroscience & BrainThirty seconds before a trader places a position, the nervous system has already voted. That prediction is measurable. It lives in the variation between heartbeats, and it is called heart rate variability. This is the complete guide to training it.
Protocols & InstrumentsStanding still on a surface designed to produce discomfort should, by every conventional measure, increase stress. What happens after the first minute is what makes sadhu board benefits worth examining through a scientific lens.
Neuroscience & BrainThe brain you used to make your first decision this morning is not the same brain you will carry into the afternoon. Neuroplasticity — the brain's capacity to restructure itself in response to experience, is operating in every professional right now. The question is not whether it is happening. The question is whether you are directing it.
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