White Bear Lake's Midwest Water Supply has garnered nearly six million followers for its ASMR videos filling pools, hot tubs and hockey rinks.

Not everyone feels the tingling sensation ASMR brings however, which makes it an incredibly elusive subject to study. But there are those that are studying it, such as Dr Giulia Poerio ...

Isy speaks to Charlotte Luke aka The ASMR Angel who has thousands of internet followers. She meets Dr Nick Davis who's carried out research into ASMR and she heads off to Sheffield University ...