Madness and Psychological Torment

Characters experience intense psychological distress, including sleeplessness, hallucinations, and mental breakdowns, suggesting that supernatural events may be manifestations of inner guilt and trauma.

The central theme of the chapter: the lady's fear of going mad and her confession of strange impressions that torment her, despite no physical cause being found.

The Countess questions her own sanity, describing a 'deadly panic of fear' and a 'horrible agitation,' and Doctor Wybrow considers whether she is a 'poor mad woman.'

Lord Montbarry's erratic behavior—answering in Italian when spoken to in English, his contradictory nature—suggests psychological disturbance during his illness.

Lady Montbarry's erratic behavior, from catlike suddenness to groans of misery, and her threat to strangle Mrs. Ferrari, suggest psychological instability.