This webinar presents the latest evidence for increasing the impact of HRV biofeedback. First, we will review a streamlined procedure for measuring your clients resonance frequency and discuss how to choose between competing breathing rates and inhalation-to-exhalation ratios. Second, we will describe how to structure effective HRV biofeedback training sessions, assess client progress, and assign effective home practice. Finally, we will review current evidence supporting the efficacy of HRVB applications.