Which sentence provides a subtle clue that Chester is feeling overwhelmed and stressed out?

Question

Chester wipes his tears on his shirt, dragging his backpack behind him.

Chester tries to laugh at his own clumsiness, but his face turns bright red.

Chester slams the door behind him and storms into his room.

Chester lies awake in his bed for hours, staring at the ceiling.

Answer 1

The sentence that provides a subtle clue that Chester is feeling overwhelmed and stressed out is:

"Chester lies awake in his bed for hours, staring at the ceiling."

This implies a sense of restlessness and mental preoccupation, suggesting that he is unable to find peace or sleep due to his feelings.