Senses are powerful tools, receptive to stimuli in the environment. Depending on the stimulus type, the body experiences automatic responses, which can be equally pleasant or distressful—and different people might experience either or any of a range in between, even when presented with the same stimulus.

On the pleasant end is autonomous sensory meridian response (ASMR), which relies on hearing—and sometimes sight—to produce a reaction that's captivated millions of people on TikTok, YouTube and more.

How does it work?

With no physical touch involved, ASMR is the perfect experience to enjoy online or via apps.

"It's a big trend online and it's very popular for children and teens to make their own ASMR videos," said Eugenie Pepper, a psychotherapist and co-founder of Key Mindfulness in Sydney.

Pepper noted there's no need for any qualification to perform ASMR, although training courses are available. Sarah Melancon, Ph.D., a sociologist and clinical sexologist based in Southern California, specifically mentioned ASMR University's "Honorary