dizzy from head movements
1 Benign paroxysmal positional vertigo (BPPV). 2  This condition causes an intense and brief but false sense that you're spinning or moving. 3  These episodes are triggered by a rapid change in head movement, such as when you turn over in bed, sit up or experience a blow to the head.4  BPPV is the most common cause of vertigo.irculation problems that cause dizziness. You may feel dizzy, faint or off balance if your heart isn't pumping enough blood to your brain. Causes include: 1  Drop in blood pressure.