... not begun to feel the worst physical effects which sooner or later visit the opium-eater. His digestion seemed unimpaired so long as he took his morphia regularly; he was sallow and somewhat haggard, but thus far no distressing biliary symptoms had manifested themselves; his sleep was always dreamy, and he woke at short intervals during the night, but invariably slept again at once, and had so adjusted himself to the habit as to show no signs of suffering ... — The Opium Habit • Horace B. Day
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