Relax to the ear to ear sounds of a large, industrial-grade air conditioner.
Reference track: industrial air conditioner (ear to ear)
http://media.blubrry.com/silknoise/silkasmr.files.wordpress.com/2019/04/3bn-industrial-air-conditioner-e2e-20m.mp3
Extended episodes without a spoken introduction:
More podcasts for relaxation and falling asleep:
Sleep With Silk info: