What coherence is not
Coherence is not calm, relaxation, or low heart rate. It is a specific pattern of order in the autonomic nervous system, visible in HRV as a smooth, rhythmic variation.
Coherence
Coherence is not relaxation. It is a state of physiological order — heart, breath and autonomic nervous system in sync. It is measurable through heart rate variability (HRV).
Coherence Is Trainable