Riku lay down and snuggled up against the Prince. "Nothing," he said, "I just wanted to say goodnight, if you were awake." Because he'd say it more quietly if the Prince was asleep.
"Goodnight, Sora," Riku said, "May only good dreams find you. I love you." That was all he wanted to say. And press a little kiss to whatever part of his Beloved he could access.