Positional vertigo is a bothersome problem that can adversely affect the daily activities of patients Benign paroxysmal positional vertigo (BPPV) is one of the most common causes of vertigo — the sudden of head movements casing momentary vertigo or giddiness Symptoms of benign paroxysmal positional vertigo are triggered by specific changes in the position of your head, such as tipping your head up or down, and by lying down, turning over or sitting up in bed. You may also feel out of balance when standing or walking. Although benign paroxysmal positional vertigo can be a bothersome problem, it's rarely serious