ASMR
stands for
Autonomous Sensory Meridian Response
Definition: Highlighted by the National Sleep Foundation at Sleep.org ASMR is described as, “…a feeling of euphoric tingling and relaxation that can come over someone when he or she watches certain videos or hears certain sounds.” – https://www.sleep.org/articles/what-is-asmr
ASMR can be applied in real life and not just by listening to videos.
Common sounds: brushing, scratching, rain, cleaning, tapping, whispering, touching objects, eating, etc.