It's not that different than worried boy when it comes down to it...

"That is right!" Diarmuid nods as he continues to lead the way toward the hospital, "I was scared the first time it happened to my friends, but they always woke up. It happened to Suzaku twice even! I guess some people are just more unlucky than others?"

He really hopes it doesn't mean Luke might leave soon. After all, Suzaku had ended up leaving, but others he knows who fell asleep are still here, so he's not sure what to think.