I’m trying to find a pair of blue-light blocking glasses to use before sleep — ideally something that blocks a lot of blue light (orange or red tint is fine) and gives full coverage around the eyes (wide or wraparound styles).
Does anyone know a good model I could buy from Spain?


Wrong.
https://en.wikipedia.org/wiki/Phase_response_curve#Light
You may be thinking of the daytime blue light avoidance fad:
https://www.quora.com/If-blue-light-on-smartphones-causes-macular-degeneration-shouldnt-it-be-illegal/answer/Bill-Otto-5