Biofeedback teaches control over body functions. HRV biofeedback helps sync heart rate and breathing, boosting parasympathetic response, improving stress, anxiety, and self-regulation.
Hypervigilance to bodily sensations can trigger faster breathing and hyperventilation, lowering CO₂ and reducing oxygen delivery to tissues. This causes dizziness, tingling, and panic. Alcohol may give brief relief but worsens anxiety later; therapy can help.