Have you ever been drifting off to sleep when suddenly you hear what sounds like a gunshot, a door slamming, or an explosion inside your head? You jolt awake, heart pounding, sit upright in bed, but ...

It may sound like the plot of either a horrible sci-fi film or Tarantino's best yet, but "exploding head syndrome" is a genuine neurological disorder in which people experience a loud crashing sound ...