You turn your head, move your eyes, or start drifting off to sleep, and there it is. A sudden jolt inside your head. Maybe a buzz, a flash, or a feeling you cannot explain without making a sound: zzzzaaapp. Then it is gone. Until it happens...
Brain Zaps: What They Are, What Causes Them, and How to Make Them Stop
Read more about Brain Zaps: What They Are, What Causes Them, and How to Make Them Stop

