case_images: PMC7862109_01
case_images: Case history timeline.
case_images: fpsyt-11-613420-g0001.jpg
case_images: PMC7862109_01_fpsyt-11-613420-g0001.jpg
case_images: F1
case_images: Sleep Medicine Center to investigate a 14-month history of a sudden sensation of a loud noise inside her head (Figure 1). She described the noise as the sound of a guitar string and honking bus horn, and only experienced it when going to sleep.