Kundalini Yoga teachers often get drilled on the relation between Breath of Fire and hyperventilation. In this video I explain why Breath of Fire is not hyperventilation, and it also the physiology of hyperventilation and what it really is.
Pranayama will induce sensations that may be new for students, but these experiences need not be feared. We are adventuring into realms of consciousness expanded beyond the everyday. And any fear sensations themselves can be observed and that awareness be utilized to transform this Vata energy into pure Prana.