C25 What Kind of Illness Was This

Ning Zhongmou answered honestly, "There's nothing abnormal about that. I'm just prone to getting sleepy. I used to like to walk around without anything to do, but now I can't take it anymore."

"How do you react when you have a disease?" Professor Zhang continued to ask. From the looks of it, he seemed to have gotten some idea of what was going on.

"When the disease strikes