"Davai," replied Merkurii, seriously. "He did. It wasn't overnight, but he trained me how to recognize when I was dreaming by looking for certain markers within the dream. That self-awareness makes it possible to manipulate the circumstances of the dream you're having, so that you're able to turn a nightmare into something more constructive. And once I knew how to do it, well...I can control my dreams at will now."

He paused, frowning again, a slight crease between his smooth brows.

"Anyone else, you said. Do you have nightmares, Captain?"