"de claro en claro" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "de claro en claro",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "the most excellent lady did not sleep on the night of the 24th, because she spent it sleeplessly, be it beating eggs […] , plucking birds […]",
          "ref": "1877, Benito Pérez Galdós, Gloria:",
          "text": "la excelente mujer no durmió en la noche del 24, porque toda ella se la pasó de claro en claro, ora batiendo huevos[…] ora desplumando aves[…]",
          "type": "quote"
        }
      ],
      "glosses": [
        "sleeplessly; without sleeping a wink"
      ],
      "id": "en-de_claro_en_claro-es-adv-ZymHCufT",
      "links": [
        [
          "sleeplessly",
          "sleeplessly"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, dated) sleeplessly; without sleeping a wink"
      ],
      "tags": [
        "dated",
        "idiomatic"
      ]
    }
  ],
  "word": "de claro en claro"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "de claro en claro",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish adverbs",
        "Spanish dated terms",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "the most excellent lady did not sleep on the night of the 24th, because she spent it sleeplessly, be it beating eggs […] , plucking birds […]",
          "ref": "1877, Benito Pérez Galdós, Gloria:",
          "text": "la excelente mujer no durmió en la noche del 24, porque toda ella se la pasó de claro en claro, ora batiendo huevos[…] ora desplumando aves[…]",
          "type": "quote"
        }
      ],
      "glosses": [
        "sleeplessly; without sleeping a wink"
      ],
      "links": [
        [
          "sleeplessly",
          "sleeplessly"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, dated) sleeplessly; without sleeping a wink"
      ],
      "tags": [
        "dated",
        "idiomatic"
      ]
    }
  ],
  "word": "de claro en claro"
}