| Title | Source |
|---|---|
| BREATHE | Joe DiStefano | TEDxLugano |
| Engaging The Intelligence of the Heart | Howard Martin | TEDxSantaCruz |
| Heart Rate Heart Rate Variability Training App w/ Marco Altini, PhD | HighIntensityHealth | outube |
| HRV Training and its Importance - Richard Gevirtz, Ph.D., Pioneer in HRV Research & Training | ThoughtTechnologyLtd | Youtube |
| Stress and Heart Rate Variability - Jason Moore | AncestryFoundation | Youtube |