Why a slow breath helps.

The short version: your heart rate moves with your breath. Breathe slowly, and that movement grows. Here is what we know, and how Morphonic uses it.

Illustration. The line follows the breath; it does not measure anyone.

01

The one part of the system you can steer

Most of what your body does happens on its own. Your heartbeat, your digestion, the size of your pupils. Breathing happens on its own too, but you can also change it on purpose.¹

That makes the breath a way in.

02

Your heart follows your breath

Your heart rate rises a little as you breathe in, and falls as you breathe out.¹ Slow your breathing down, and that rise and fall grows bigger. For most adults it is largest at around six breaths a minute.²

Breathing fast

Small, quick changes.

Breathing slowly

Bigger, slower changes.

Illustration, not a measurement.

6breaths a minute

Coherent 5-5 uses 5 in, 5 out. That’s six breaths a minute.

03

What people notice

Controlled breathing can reduce how stressed people feel.³

It’s why every Morph and every lesson is built around a slow, steady breath.

04

Why a soundscape

A slow pace is hard to hold on your own. You start counting, then you lose count, then you speed up without noticing.

In Morphonic, the sound sets the pace, so you have something to follow. And the app chooses the settings, so you don’t have to.

A Morph
Left earRight ear

One sound, the same in both ears. Its volume rises and falls in a slow, steady pulse. It works on a speaker.

Deep Descent
Left earRight ear

Each ear hears a slightly different tone, and your mind combines them into a slow beat.⁴ It needs headphones.

Illustration, not a recording.

Does the sound change your brain? Researchers have tested whether pulses like these pull brain activity toward their pace. The results are mixed, and people respond differently.⁵ So we don’t claim it.

The sound has simpler jobs we can stand behind. It sets the pace for your breath, and it covers the small noises around you.

05

What Morphonic is not

Morphonic is a breathing practice. It does not treat, cure or diagnose any condition, and it is not a medical device. If you have a health condition, talk to your doctor before you start a new breathing practice.

Sources

  1. 1Textbook physiology: respiratory sinus arrhythmia, and the voluntary control of breathing.
  2. 2Lehrer and Gevirtz, 2014. “Heart rate variability biofeedback: how and why does it work?” Frontiers in Psychology.
  3. 3Zaccaro and others, 2018. “How breath-control can change your life: a systematic review on psycho-physiological correlates of slow breathing.” Frontiers in Human Neuroscience.
  4. 4Basic psychoacoustics (binaural beats).
  5. 5Ingendoh, Posny and Heine, 2023. “Binaural beats to entrain the brain?” PLOS ONE. Of 14 studies, 5 found the effect, 8 did not, and 1 was mixed.

A moment of calm and clarity.

The iPhone app is available in the US and Canada.