The car in the supermarket car park, engine off, five minutes belonging to nobody before the shopping and before going back home. For a great many people that is the entire refuge, and it works.
Peace is more often geographic than emotional. A specific bench. The back step. The bathroom with the fan running. Somewhere the demands can't reach for a few minutes.
If you know where yours is, go there today without waiting to have earned it. If you don't, it's worth finding one now — on the worst days there's no capacity left to invent one from scratch.