When I first saw this I thought that would be great for sleeping but then I remembered the sensory deprivation chambers and in particular soundless rooms that can cause disorientation after 45mins.
You will literally start to hallucinate in sensory deprivation chambers.
Not saying this will do the same since I haven’t tried it. I wonder if there is a volume knob?
Anyways if you are interested in learning more and when it will be available check on kickstarter for further detes