LibraryMental Health pillar
4-7-8 Breathing
Vagal tone in 19 seconds
Summary
Slow exhalation > inhalation engages the parasympathetic branch; HRV rises and sympathetic drive falls within one cycle.
Takeaway
Four cycles, twice daily, measurably reduces state anxiety and resting heart rate within two weeks.
Citations · 1
- [01]Balban MY et al. (2023). Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine. doi:10.1016/j.xcrm.2022.100895Source