The soft rustling of sheets gives way to a sharp smack, a wake-up call in the form of a stinging spank. The recipient, still foggy from sleep, squirms and moans as the impacts continue, each one sending a jolt of sensation that awakens the senses. The room grows warmer, the air thick with the scent of arousal, as the spanking intensifies, the sound of flesh meeting flesh echoing in the otherwise quiet room.