(Ignore the milk in that emoji above, I couldn’t find a plain glass one.) Have you ever thought about how cool glass is? A material that is hard but also see through? Not only that, it can also make special sounds when tapped at the right place with the right instrument. And that’s why people have started using it for sleep ASMR videos.

I’m not an expert glass welder, but I know that it’s very technical and hard to get perfect. The shape, depth and type all impact what sounds are made when gently tapped. A few YouTubers are lucky enough to have a collection of glass objects with which to make videos from to help their listeners tap into this special trigger. If you’re curious if it works for you, start with these vids below…