It refers to the response of the nervous system that some people experience while observing (seeing and/or hearing) the activities of others. Consider it like tickling your brain where the uncontrollable laughter is replaced by spine and brain tingles, a hallmark sign of good ASMR. It could be said to be akin to meditation or other similar forms of relaxation, instead focusing on the actions of another as a form of distracting one from their own mind chatter.
Currently its popularity on Youtube is making it a phenomenon and many artists are popping up to accommodate the demand. I've listed some of its early pioneers here and certainly recommend them as a first or additional taste of ASMR.
ASMR Requests have been putting together ASMR since its early distinguishing as an art form. The creator(s) focus on thematic presentations such as these Science Fiction styled ASMR videos.
Departure Episode I
Ephemeral Rift often combines a comedic take using situational ASMR to bring about the tingles. His ASMR often depicts iconic characters and archetypes in zany situations sure keep your attention.
Face Painting by Rob Ross [ASMR]
"Mission Compromised!" [ A Repairman & Tin Foil Hat Society Special ] [ ASMR ]
Fairy Char produces situational ASMR geared towards quiet relaxation just right before going to bed.
ASMR Mexican Fajitas Midnight! Relaxing Cooking with Char!
ASMR Tea Date @TheRitz-Charlotte *Roleplay*
Heather Feather similarly produces her own style of relaxation ASMR often good for centering yourself.
9 Binaural ASMR Triggers To Keep You Tingling
Twin Feathers Spa Binaural ASMR Role Play: Dark Feather's Accessory Nook
Scottish Murmurs ASMR is often witty and funny as delivered by this multi-talented ASMR artist.
ASMR Your Personal Sleep Therapist ♥
ASMR | Luxury Sleep Clinic with Virtual Reality Dreaming
Tingting ASMR is a treasure chest of relaxation and tingles while providing cultural and educational value to her ASMR.
Chinese Teacher Roleplay ASMR
[ASMR] Haircut Roleplay
Phoenician Sailor ASMR provides throught provoking and introspective ASMR as well as situational ASMR including character from pop culture.
Binaural Doctor II ASMR
Cosmos, Episode I: Flatland [ASMR]
Brian Joseph Johns
Shhhh! Digital Media