Bedrockgames
I post in the voice of Christopher Walken
For me, it would be helpful to hear about their drool or bloodshot eyes. Such descriptions would seed my imagination, immersing me more deeply in the fiction. To the extent that it requires preparation to have such details at hand, then I would think some such prep work is worthwhile and beneficial (whether it is "literary" or not).
To me that is just coloring unless the bloodshot ideas lead somewhere else. When think of a situation like that as a GM my fist thought isn't about description: it is about background (why are the kobolds on the hill? What did they just do? Where are they going? etc). Any details I provide, it is more about those kinds of things than caring about whether I describe them in a sufficiently literary style. So I probably wouldn't mention the eyes. I may mention one is holding a wooden basket filled with books and there is a bloody robe near the fire (if they had just murdered a local official and stolen his belongings for example). But the form of the description isn't that important to me.