It's no trouble. I carry plenty of extra these days. Every time I run the dishwasher it's a near full load of mugs.

[He summons another mug for himself and sips at it with a sigh.]

And I may not have slept on the throne, but that certainly didn't stop everyone. Peregrinus - the Wanderer, to you - was particularly notorious for it, likely because he sleepwalked at night.