WhatisASMR,andhowcanithelpwithsleep?

ASMR(AutonomousSensoryMeridianResponse)isatingling,relaxingsensationtriggeredbysoftsoundslikewhispering,tapping,orbrushing.Itcanhelpwithsleepbycalmingthenervoussystem,loweringheartrate,andeasingthetransitionintorestfulsleep.WhatisASMR,andhowcanithelpwithsleep?