when the world disappears

Was teaching today, a mysore self-practice class and I noticed a student that seemed completely distracted, throughout their practice.  I saw them sitting still on their mat more than once, eyes with an unfocused gaze looking into space about three feet in front of them.  Checked in once or twice, but the same distracted energy persisted.  When it came to backbends, drop back halfway one, two three all the way back walk in.  I took the student to their ankles - 5 breathes.  when they returned to standing "Woah! everything else disappeared!"   YES!  this is yoga!  this is a way that the asana practice can remove the debris of the personality.  whatever distracts you - thought, sensation, emotion - in one moment in a posture where the mind is suddenly and almost forcibly directed to a single point, the rest of the world disappears.  in this tiny moment we experience complete presence and awareness.  This is also something that probably won't happen without the guidance of an instructor.  Alone, we have a tendency to surrender to...well...our tendencies.  But once experienced a new world of possibilities is revealed - a world in vacume where the true self sits silently and still in padmasana.  This is why we do this practice