"night-owlism" meaning in English

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      "expansion": "night owl + -ism",
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  "etymology_text": "night owl + -ism",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1958, Eli Greifer, How I Cured My Incurable Ailments, page 221:",
          "text": "To prevent the pressure from soaring once more to dangerous heights, I decided to increase the amount of sleep, despite the slumber-impairing heat of July, by yielding to a later night-owlism, i.e. to retiring at a time even a few hours after dawn, discounting the Daylight-Saving hour, and wearing but shorts.",
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          "ref": "1959, Weiss, The Executive, page 6:",
          "text": "As a people become more sophisticated, the tend toward night-owlism.",
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          "ref": "2012, John Francis King, Funky / Guy, page 13:",
          "text": "They were developing a flowing rhythm together: a healthy balance of night-owlism and early birding, although despite their proximity to the Heath they could probably have done with more fresh air.",
          "type": "quote"
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      "glosses": [
        "The habit of staying awake late into the night; the quality of being a night owl."
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          "night owl",
          "night owl"
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  "word": "night-owlism"
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  "etymology_text": "night owl + -ism",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1959, Weiss, The Executive, page 6:",
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      "glosses": [
        "The habit of staying awake late into the night; the quality of being a night owl."
      ],
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          "night owl",
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  "word": "night-owlism"
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