heaviness of spirit

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References in classic literature ?
Sometimes after a heavy night he had such a headache that he could not drink his coffee, and he gave his lesson with heaviness of spirit.
Senator, I can relate to the heaviness of spirit and the dark valley you walk upon.
Yet the style is unmistakably Inarritu's, characterized by a raw visual kineticism that imparts a rough, jagged quality to the narrative, as well as an overall heaviness of spirit that comes to feel like a millstone around the viewer's neck over the course of nearly 2 1/2 hours.