✦ The #1 Evidence-Based Stress Reduction System
Train your nervous system
to thrive under stress.
If you feel anxious, depleted, foggy, or wired but exhausted — that's a nervous system that's been dysregulated too long. HeartMath helps you regulate your nervous system, retrain your stress response, and build lasting resilience — in minutes a day.
35+ years of research
Trusted by practitioners, researchers, and organizations worldwide
Does this feel familiar?
These symptoms feel separate. They're not.
These are common signs of nervous system dysregulation. When your nervous system is stuck in stress, it shows up everywhere — in your body, your mind, your sleep, your mood, and your energy.
In Your Body
In Your Mind
One source. Your nervous system.
These aren't separate problems. They're different expressions of a nervous system that has learned to stay in fight-or-flight — and hasn't been taught how to get out.
There's a non-pharmaceutical path to changing this. And it starts with your heart.
Your nervous system learned stress.
It can unlearn it.
When your nervous system is dysregulated, everything is affected — your mood, energy, focus, sleep, stress resilience, and overall health.
Most solutions manage symptoms. HeartMath regulates the nervous system at the source.
Train and regulate your nervous system in minutes a day.
The Inner Balance Sensor + app gives you a real-time view of your heart rate variability and a daily nervous system regulation practice to help reshape your stress response.
Measure
Clarity in real time
The sensor clips to your ear and measures your heart rate variability — also known as HRV — in real time, giving you an honest picture of your nervous system state. No guesswork.
Train
5 min/day — or more
Guided by real-time HRV biofeedback and heart-focused techniques, you practice shifting your body from stress into coherence — a calm, focused state. You don't just follow the technique. You watch it work.
Re-wire
Lasting resilience
With regular practice, your heart and brain synchronize more deeply — supporting long-term nervous system regulation, emotional regulation, and stress resilience. You sleep better, respond instead of react, and feel more capable.
Most devices measure stress.
HeartMath trains your body to change it.
Most wearables track stress and HRV. HeartMath teaches you how to regulate your nervous system using real-time heart rhythm biofeedback and heart-focused techniques.
What most wearables do
- Track your stress & HRV
- Show your data
- Tell you to rest
What HeartMath does
- Reads your stress through heart rhythm patterns (HRV)
- Trains you with biofeedback & heart-focused techniques
- Builds lasting capacity to respond differently
This is what makes HeartMath different.
It doesn't just track stress — it uses your heart to change it.
The Results
Proven to rewire how your body responds to stress.
Real outcomes from 14,000+ HeartMath users — with improvements in stress, emotional regulation, anxiety, sleep, and resilience reported in as little as 6–9 weeks.
2 in 3
saw improvements in anxiety or depression
53%
felt more energized daily
53%
improved stress reactivity
40%
improved overall life satisfaction
Backed by 35+ years of research and 400+ peer-reviewed studies.
What You Get
A complete nervous system training system.
The Sensor
- Clinically validated measurement of your stress response
- Real-time nervous system biofeedback
- Lightweight ear clip
- Bluetooth · iOS & Android
The App
- Reads your stress through heart rhythm patterns (HRV)
- Trains you with biofeedback & heart-focused techniques
- Builds lasting capacity to respond differently
One system. Measure, train, and improve — every day.
$249
Sensor + App · Free shipping · HSA/FSA eligible · 60-day money back guarantee · iOS & Android
Proven in the Field
Trusted by the world's leading experts in stress and performance.
From VA hospitals to Stanford research labs to elite performance teams, HeartMath is used in the most demanding environments in the world.
30,000+ health professionals use and recommend HeartMath
Delivers benefits in days, not months
"Practicing HeartMath's HRV coherence feedback for just 20 minutes a day can deliver in 4 to 5 days the same benefits that typically take weeks or months of daily meditation or yoga."
Paul J. Rosch, MD, FACP
Stress Medicine Pioneer & Chairman, The American Institute of Stress
Improves brain health and stress resilience
"HeartMath is a fascinating, powerful way to relieve stress and improve the overall health of your mind and body. I highly recommend it."
Daniel Amen, MD
Neuroscientist, Psychiatrist & NY Times Bestselling Author
Critical tool for high performance
"For biohackers, performance junkies or anyone interested in a better life, the ideas of HeartMath are critical."
Steven Kotler
Peak Performance Expert & NY Times Bestselling Author
Helps people regain control of their lives
"HeartMath has inspired thousands of people around the world to gain better control of their lives. The brain may think, but the heart knows."
Dr. Joe Dispenza
Neuroscientist, Researcher & NY Times Bestselling Author
Benefits in as little as 4–5 days of daily practice
— Paul J. Rosch, MD, FACP · Stress Medicine Pioneer
HeartMath is for you if…
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You're exhausted in a way sleep doesn't fix.
You don't need another coping tool — you need something that changes what's happening in your body.
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You've tried therapy, meditation, maybe medication.
Something still feels off. Your nervous system is stuck in a pattern — and HeartMath gives it a way to learn a new one.
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You track your HRV. You know stress is capping your performance.
You want a tool that trains you to change it — not just measure it.
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Stress is affecting your relationships — and you know it.
You're shorter with people you love. Less present. HeartMath helps you regulate so you can actually show up the way you want to.
People come to HeartMath for the stress relief. Many find their way to something they weren't expecting — clearer relationships, sharper intuition, a stronger sense of what matters.
You're not looking to cope. You're looking to change.
Real People. Real Change.
What happens when your nervous system changes.
✦ Improved focus, mood, and connection
It has helped me to gain focus, improve productivity, elevate mood, and improve my communication and connectedness with my colleagues, clients, and family.
A. Showalter
Colorado Springs, CO
✦ Less daily stress, more ease and clarity
HeartMath techniques have allowed me to unlock access to portions of my true self I never knew existed. The day-to-day grind of life no longer feels like a grind but a gift that I get to experience.
J. Oldach
Lawndale, CA
✦ A real shift in how I respond to stress
It was a small, simple device that helped me see a different way. Slowly, my response to stressful situations began to change. Learning to center your direction and purpose on the heart is a gentle but true life changer.
Jeremy
Seattle, WA
Take the Next Step
If you don't train your nervous system, it trains you.
You can't eliminate stress. But you can change how your body responds to it. Most come to HeartMath for stress. Many find their way back to themselves.
Sensor + App included
Free shipping · HSA/FSA eligible · 60-day money back guarantee
60-day money back guarantee · 30,000+ certified practitioners worldwide · 400+ peer-reviewed studies
Good Questions. Honest Answers.
Nervous system regulation, HRV, and HeartMath — your questions answered.
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What is nervous system regulation?
It's your body's ability to move out of stress — out of fight-or-flight — and return to a calm, functional baseline. A well-regulated nervous system responds to challenges and recovers. A dysregulated one gets stuck in the stress response, sometimes for years. Most people don't know that's what's happening. They just know something feels off.
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How do you regulate your nervous system?
Most approaches — breathwork, meditation, therapy, rest — can help in the moment. But they share a common limitation: they don't change your nervous system's baseline. The stress relief fades. HeartMath is different. It combines real-time HRV biofeedback with heart-focused techniques developed over 35 years of research — so you can see your nervous system responding as you train, and adjust in the moment. With consistent practice, that training reshapes your baseline. You're not just managing how you feel. You're changing how your body is wired to respond.
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What are signs of a dysregulated nervous system?
Anxiety, poor sleep, fatigue that rest doesn't fix, brain fog, mood swings, emotional reactivity, digestive issues, feeling wired but exhausted. The thing is — these symptoms usually feel unrelated. They're not. They're often the same dysregulated nervous system showing up in different places. That's why treating them one at a time rarely works.
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How does HeartMath help regulate the nervous system?
Here's what most people don't know: the heart sends more signals to the brain than the brain sends to the heart. Those signals directly shape how you think, feel, and respond to stress. When your heart rhythm is smooth and ordered — what HeartMath calls coherence — your brain receives signals that support clear thinking, emotional stability, and resilience. That's a regulated nervous system. When your heart rhythm is chaotic and irregular, your brain receives signals that drive anxiety, reactivity, and fatigue. That's a dysregulated one. HeartMath trains you to shift your heart into coherence using real-time HRV biofeedback and heart-focused techniques. With consistent practice, your nervous system learns that coherent state as its new normal — not just during sessions, but throughout your day.
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What is HRV biofeedback?
HRV — heart rate variability — is the variation in time between your heartbeats. It's one of the most reliable windows into nervous system health. High HRV means your system is flexible and resilient. Low HRV means it's stuck in a stress pattern. HeartMath's HRV biofeedback takes that measurement and makes it actionable — showing you your heart rhythm patterns in real time so you can see your nervous system responding as you train and learn to shift it on demand. Most people have seen an HRV number. Very few have been able to actually do something with it. That's what HeartMath's HRV biofeedback is built to change.
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How is HeartMath different from other HRV wearables?
Most HRV wearables — Whoop, Oura, Garmin, Apple Watch — measure your HRV overnight, give you a readiness score, and tell you whether to push or rest. That's useful information. But here's what none of them do: actually train your HRV to improve. They're sophisticated observers. HeartMath is a training system. Where other devices give you a number to react to, HeartMath gives you a real-time practice that actively shifts your nervous system toward coherence — and over weeks, raises your baseline HRV. Whether your HRV is low and you want to fix it, or high and you want to push further, the question is the same: are you just tracking, or are you actually training? HeartMath is the only tool built to do the second thing.
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Does HeartMath work with meditation?
Not only does it work with meditation — for many people, it makes meditation significantly more effective. Here's why: getting into heart coherence before you meditate primes your nervous system, so you can drop into a deeper state faster and stay there longer. The mental effort of "trying to settle" is replaced by a body that's already settled. And for the first time, HeartMath's biofeedback lets you see exactly how your meditation is affecting your physiology in real time — whether your practice is moving your nervous system toward coherence or not. Most meditators have never had that feedback. It changes how you practice. HeartMath doesn't compete with meditation. It deepens it.
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Why does HeartMath focus on the heart?
Because that's where the research points. Most stress tools focus on the brain — but the heart sends more signals to the brain than the brain sends to the heart. Those signals directly shape how you think, feel, and respond to stress. Heart coherence — a measurable state of optimal heart-brain communication — is what HeartMath trains. The nervous system benefits are real and documented. But the heart is where the change begins. Explore the science →