He was just dropping into a grateful sleep when his whole body twitched suddenly with a shock and a recoil of all his nerves; in an instant he was broad awake, panting and exhausted as if from a long run.

Once more he settled himself upon the pillow, and once more the same leap, the same sharp spasm of his nerves caught him back to consciousness with the suddenness of a relaxed spring.

At last sleep was out of the question; his drowsiness of the early part of the evening passed away, and he lay back, his hands clasped behind his head, staring up into the darkness, his thoughts galloping incessantly through his brain, suffering without pain as he had never imagined a human being could suffer though racked with torture from head to heel.
From time to time a slow torsion and crisping of all his nerves, beginning at his ankles, spread to every corner of his body till he had to shut his fists and teeth against the blind impulse to leap from his bed screaming.

His hands felt light and, as he told himself, "jumpy." All at once he felt a peculiar sensation in them: they seemed to swell, the fingers puffing to an enormous size, the palms bulging, the whole member from the wrist to the nails distended like a glove when one has blown into it to straighten it out.

Then he had a feeling that his head was swelling in the same way.