Benign paroxysmal positional vertigo (BPPV) is a common inner ear disorder that causes brief episodes of dizziness or vertigo. It occurs when tiny calcium crystals in the inner ear become dislodged and move into the wrong part of the ear, affecting balance. Symptoms are often triggered by specific head movements, such as turning over in bed or looking up. BPPV is generally considered harmless and can often be treated with simple maneuvers, such as the Epley maneuver, which helps reposition the dislodged crystals. While it can be uncomfortable, BPPV usually resolves on its own or with treatment, and it does not lead to serious health issues.