"insleeper" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "in",
        "3": "sleeper"
      },
      "expansion": "in- + sleeper",
      "name": "prefix"
    }
  ],
  "etymology_text": "in- + sleeper",
  "forms": [
    {
      "form": "insleepers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "insleeper (plural insleepers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with in-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ulster English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "visitor who will spend the night, overnight guest"
      ],
      "id": "en-insleeper-en-noun-Z2vOEfRQ",
      "links": [
        [
          "visitor",
          "visitor"
        ],
        [
          "overnight",
          "overnight"
        ],
        [
          "guest",
          "guest"
        ]
      ],
      "raw_glosses": [
        "(Ulster) visitor who will spend the night, overnight guest"
      ],
      "tags": [
        "Ulster"
      ]
    }
  ],
  "word": "insleeper"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "in",
        "3": "sleeper"
      },
      "expansion": "in- + sleeper",
      "name": "prefix"
    }
  ],
  "etymology_text": "in- + sleeper",
  "forms": [
    {
      "form": "insleepers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "insleeper (plural insleepers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with in-",
        "Ulster English"
      ],
      "glosses": [
        "visitor who will spend the night, overnight guest"
      ],
      "links": [
        [
          "visitor",
          "visitor"
        ],
        [
          "overnight",
          "overnight"
        ],
        [
          "guest",
          "guest"
        ]
      ],
      "raw_glosses": [
        "(Ulster) visitor who will spend the night, overnight guest"
      ],
      "tags": [
        "Ulster"
      ]
    }
  ],
  "word": "insleeper"
}