He felt a little queasy, and more than a little light-headed. More and more, he felt the disorientation, the fragmenting of himself between day and night. By day, he was a creature of the mind alone, as he escaped his damp immobility by a stubborn, disciplined retreat into the avenues of thought and meditation, seeking refuge in the pages of books. But with the rising of the moon, all sense fled, succumbing at once to sensation, as he emerged into the fresh air like a beast from its lair, to run the dark hills beneath the stars, and hunt, driven by hunger, drunk with blood and moonlight.