It stand for Autonomous Sensory Meridian Response. It's basically a sensory reaction to certain nosies or sounds. It can give you goosebumps and I, personally get a tingle down my neck. There are so many different types and not everything works for everyone and some people have no reaction at all. Just type #ASMR into Instagram and loads will come up
@Boobelle you do make me laugh [emoji23]
In the bedtime post, she said she washed and dried "his new little sleepsuit", so don't think she lied on this (rare) occasion.