Imagine softly rustling leaves in the distance or a breathy whisper in your ear. Do you feel a tingling, warm sensation in your head? If so, you might have Autonomous Sensory Meridian Response (ASMR).

There is a growing online subculture that seeks solace in the sounds of rustling wrappers and hushed voices. These people are followers of Autonomous Sensory Meridian Response or ASMR, a tingling ...