It's been a growing trend in recent years, there are many ASMR Youtube channels with millions of subscribers and they sometimes stream live as well on both Youtube and Twitch platforms. People use ASMR for all sorts of therapeutic purposes, ranging from simple relaxation and meditation to dealing with insomnia, stress, depression, anxiety/panic attacks and other sorts of mental issues.Wikipedia wrote: Autonomous sensory meridian response (ASMR) is an experience characterized by a static-like or tingling sensation on the skin that typically begins on the scalp and moves down the back of the neck and upper spine. It is most commonly triggered by specific auditory or visual stimuli.
BBC did a decent piece on ASMR for those wondering what it is : https://www.youtube.com/watch?v=X9kIMDmsT2Y