Exploding Head syndrome (EHS) is the parasomnia the only bothers the sleeper, and very much so at that. Imaging being awakened by a sound so loud and dreadful that you awaken certain that you are about to die.
Sleep Unplugged with Dr. Chris Winter: #82 - Exploding Head Syndrome: Exploding In The Night
Episode webpage: https://www.wchriswinter.com
Media file: https://www.buzzsprout.com/2010257/14309923-82-exploding-head-syndrome-exploding-in-the-night.mp3