"nattligen" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "nattlig",
        "3": "-en"
      },
      "expansion": "nattlig + -en",
      "name": "af"
    }
  ],
  "etymology_text": "From nattlig + -en.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adverb",
        "head": "",
        "sort": ""
      },
      "expansion": "nattligen",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "nattligen (not comparable)",
      "name": "sv-adv"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish terms suffixed with -en",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "every day and night",
          "text": "dagligen och nattligen",
          "type": "example"
        }
      ],
      "glosses": [
        "nightly, every night"
      ],
      "id": "en-nattligen-sv-adv-jE5vAUqM",
      "links": [
        [
          "nightly",
          "nightly"
        ],
        [
          "every",
          "every"
        ],
        [
          "night",
          "night"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "nattligen"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "nattlig",
        "3": "-en"
      },
      "expansion": "nattlig + -en",
      "name": "af"
    }
  ],
  "etymology_text": "From nattlig + -en.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adverb",
        "head": "",
        "sort": ""
      },
      "expansion": "nattligen",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "nattligen (not comparable)",
      "name": "sv-adv"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Swedish adverbs",
        "Swedish entries with incorrect language header",
        "Swedish lemmas",
        "Swedish terms suffixed with -en",
        "Swedish terms with usage examples"
      ],
      "examples": [
        {
          "english": "every day and night",
          "text": "dagligen och nattligen",
          "type": "example"
        }
      ],
      "glosses": [
        "nightly, every night"
      ],
      "links": [
        [
          "nightly",
          "nightly"
        ],
        [
          "every",
          "every"
        ],
        [
          "night",
          "night"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "nattligen"
}