HAVE you ever been drifting off to sleep, only to jerk awake from the sound of a loud bang? Heart pounding, you might have frantically scanned your room for evidence of the sound – only to realise it was empty and silent, aside from the sound of your breathing. The experience is so sudden and…
https://www.the-sun.com/health/12387128/signs-of-exploding-head-syndrome-sleep-disorder/