They story came out in jumbled fragments, giving Lester a partial explanation at best, but it was better than having the proverbial door slammed in his face. It was a start.
"It sounds like you're pretty shaken up about it," he said, meeting Cas' gaze, "But I'm glad you felt that you could come to me for help." He paused for a moment, glancing over at Dean, but Dean didn't seem to have much to add yet, so he turned his attention back to Cas. "Is this the first time you've experienced something like this? No other instances of lost time, or sleepwalking that you can recall?"