This unfortunately was too true.

On that night she experienced a series of such wild and frightful visions as, when she was startled out of them, made her dread to go again to sleep.

The white hare, the Black Spectre, but, above all, the fearful expression her alarmed fancy had felt in Woodward's eye, which was riveted upon her, she thought, with a baleful and demoniacal glance, that pierced and prostrated her spirit with its malignant and supernatural power; all these terrible images, with fifty other incoherent chimeras, flitted before the wretched girl's imagination during her feverish slumbers.
Towards morning she sank into a somewhat calmer state of rest, but still with occasional and flitting glimpses of the same horrors.
So far the master-spirit had set, at least, a portion of his machinery in motion, in order to work out his purposes; but we shall find that his designs became deeper and blacker as he proceeded in his course.
In a few days Alice became somewhat relieved from the influence of these tumultuous and spectral phantasms which had run riot in her terrified fancy; and this was principally owing to the circumstance of her having prevailed upon one of the maid-servants, a girl named Bessy Mangan, Barney Casey's sweetheart, to sleep privately in her room.

The attack had reduced and enfeebled her very much, but still she was slightly improved and somewhat relieved in her spirits.

The shock, and the nervous paroxysm that accompanied it, had nearly passed away, and she was now anxious, for the sake of her health, to take as much exercise as she could.