Benign paroxysmal positional vertigo or BPPV is one of the most common vestibular disorders affecting up to 50% of the population at some time in their lives. What is it? BPPV is a vestibular condition when tiny crystals in your inner ear break loose and fall into the wrong part of the ear canal. These dislodged crystals over-stimulate the nerves that detect head movement. The brain then receives these messages and interprets the information as the head is spinning even thoug