2 beers/glasses of wine are really the sweet spot for my sharpening angle control/consistency.let's adding standing and sitting with a drink....
(disclaimer; it may affect the final result and your health at the same time)
I have one of those squishy mats like store clerks stand on. Throw that down and sharpen on counter next to sink. I taught myself how to sharpen on a stone sitting down but found I had better control standing.