Riku frowned at Sora, half determined to ignore his command and get up anyway to find aspirin for him anyway. But... Sora was hurt. And if Riku ignored him and pushed himself, it would probably only serve to stress Sora out. And he didn't want that.
Still, it was only very reluctantly that Riku lay back down, watching Sora for any signs that there was anything he could do.
"I had a bad dream," Riku said quietly. "I'm sorry if I was too rough."