​ Conditions: Autonomic Nervous System Imbalance; Heart Rate Variability (HRV); Opioid Use Disorder; Breathing Techniques; Opioid Craving; Recovery; Emotional Regulation; Positive and Negative Affect; Stress; Biofeedback

Interventions: Behavioral: Heart rate variability biofeedback

Sponsors: Arizona State University

Enrolling by invitation Conditions: Autonomic Nervous System Imbalance; Heart Rate Variability (HRV); Opioid Use Disorder; Breathing Techniques; Opioid Craving; Recovery; Emotional Regulation; Positive and Negative Affect; Stress; Biofeedback
Interventions: Behavioral: Heart rate variability biofeedback
Sponsors: Arizona State University
Enrolling by invitation