"... Muramasa." Although not squinting against the light any longer, his eyes narrow slightly as he breathes out the name. Muramasa is truly trying to be helpful, so in gratitude he will be reasonable and explain himself.

"After that skirmish, I had another task as well. I only just got back, in the hour night was becoming morning again. My thanks, but right now, sleep is more important than food."

His head flops the short distance back onto his pillow and he closes his eyes, but he remains (relatively) alert to whatever Muramasa might do next. He is a capricious sword, after all.