Learn to listen to your body
Free resources for learning the language of your HRV: the quiz, Your HRV Guide, the HRV Coach, and Salim in conversation.
What is HRV?
Heart Rate Variability measures the variance between each of your heartbeats. That gap, measured in milliseconds, is a reflection of how your nervous system is perceiving its reality.
The language
Your body has been speaking this whole time. HRV is a way you can listen.
The signal
A dip below baseline or a rise above is your body communicating.
HRV baseline
Your 30-day average. The only comparison that matters is you.
What's your Nervous System saying?
Take the quiz and receive:
Yours to keep
Your HRV Guide
HRV is the language of your body, and it speaks with or without a wearable. This guide gives you a foundational understanding of how to listen to it.
Free access
HRV Coach
Your AI companion, built by Salim. You can bring any questions around HRV or what you're noticing in your body, whenever you'd like.
Your body has been talking. Let's find out what your nervous system is saying.
That HRV Guy™
My Account
Follow Along
Copyright 2026. That HRV Guy™. All Rights Reserved.