Here is the direct link for the breathing technique:
http://journals.plos.org/plosone/article/asset?unique&id=inf...
replies(3):
http://journals.plos.org/plosone/article/asset?unique&id=inf...
On that note, you might find the Medlife Crisis' video where he investigates the genre of "people roleplaying as doctors giving you a check-up using an ASMR voice" entertaining, and also enlightening on why some people do like it[0]. Don't worry, it doesn't feature too many actual clips of that.