Well if he wasn't awake before he was NOW. Even though he was a teenage boy...it was frickin' EARLY. At least Sora assumed by how he really didn't want to be awake.
"Riku," he was briefly interrupted by a sharp gasp, "Come ON. Your parents are home." He pushed on Riku again. Riku couldn't seriously want awkward half asleep sex. "It's early," he complained.