Immediately, Su Wen grasped the situation — it's connected to Sun Yunyun's Golden Finger.
In the original book, the author bestowed upon Sun Yunyun a unique ability to foresee the future, a narrative device aligning her with the male lead. Fearing negative reviews, the author granted Sun Yunyun this extraordinary advantage, defying logic in the fictional realm.
The world of novels didn't demand strict adherence to logic, and it's okay if things are unrealistic. However, now they were in the real world, reality demanded a more rational explanation for Sun Yunyun's "golden finger."
The carrier for the medical examination was the heightened activity of the brain during sleep compared to an ordinary person. In reality, Su Wen still harboured doubts, as this explanation might not entirely make sense.
Certainly, no one would be aware of her Golden Finger.
Unless she chose to reveal it herself.