"spać z jednym okiem otwartym" meaning in Polish

{
  "etymology_templates": [
    {
      "args": {
        "1": "to sleep with one eye open"
      },
      "expansion": "“to sleep with one eye open”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to sleep with one eye open"
      },
      "expansion": "Literally, “to sleep with one eye open”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to sleep with one eye open”.",
  "head_templates": [
    {
      "args": {
        "1": "impf",
        "head": "spać z jednym okiem otwartym"
      },
      "expansion": "spać z jednym okiem otwartym impf",
      "name": "pl-verb"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "spać"
      },
      "name": "pl-conj-see"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I have to stop this conversation for a moment - but I'll be back soon. So sleep with one eye open :)",
          "ref": "2005 February 17, PD, “I co ja mam o tym myśleć?”, in pl.sci.psychologia (Usenet)",
          "text": "Na chwilę muszę przerwać tę konwersację - ale niebawem do niej wrócę. Tak więc śpij z jednym okiem otwartym :)",
          "type": "quotation"
        },
        {
          "english": "\"A psychosis of fear and mutual suspect is growing. If it continues to go in this direction, we'll have to sleep with one eye open and an axe by our beds\" one of them says.",
          "ref": "2007, Jacek Szwic, “To musi być szaleniec”, in Życie Podkarpackie",
          "text": "Narasta psychoza strachu i wzajemnych podejrzeń. Jak tak dalej pójdzie, będziemy musieli spać z jednym okiem otwartym i siekierą przy łóżku mówi jeden z nich.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to sleep with one eye open"
      ],
      "id": "en-spać_z_jednym_okiem_otwartym-pl-verb-BkXdceIL",
      "links": [
        [
          "sleep with one eye open",
          "sleep with one eye open"
        ]
      ],
      "raw_glosses": [
        "(intransitive, idiomatic) to sleep with one eye open"
      ],
      "tags": [
        "idiomatic",
        "imperfective",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/spad͡ʑ ˈzjɛd.nɨm ˈɔ.kjɛm ɔtˈfar.tɨm/"
    },
    {
      "rhymes": "-artɨm"
    }
  ],
  "word": "spać z jednym okiem otwartym"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "to sleep with one eye open"
      },
      "expansion": "“to sleep with one eye open”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to sleep with one eye open"
      },
      "expansion": "Literally, “to sleep with one eye open”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to sleep with one eye open”.",
  "head_templates": [
    {
      "args": {
        "1": "impf",
        "head": "spać z jednym okiem otwartym"
      },
      "expansion": "spać z jednym okiem otwartym impf",
      "name": "pl-verb"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "spać"
      },
      "name": "pl-conj-see"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Polish entries with incorrect language header",
        "Polish idioms",
        "Polish imperfective verbs",
        "Polish intransitive verbs",
        "Polish lemmas",
        "Polish multiword terms",
        "Polish terms with IPA pronunciation",
        "Polish terms with quotations",
        "Polish verbs",
        "Rhymes:Polish/artɨm"
      ],
      "examples": [
        {
          "english": "I have to stop this conversation for a moment - but I'll be back soon. So sleep with one eye open :)",
          "ref": "2005 February 17, PD, “I co ja mam o tym myśleć?”, in pl.sci.psychologia (Usenet)",
          "text": "Na chwilę muszę przerwać tę konwersację - ale niebawem do niej wrócę. Tak więc śpij z jednym okiem otwartym :)",
          "type": "quotation"
        },
        {
          "english": "\"A psychosis of fear and mutual suspect is growing. If it continues to go in this direction, we'll have to sleep with one eye open and an axe by our beds\" one of them says.",
          "ref": "2007, Jacek Szwic, “To musi być szaleniec”, in Życie Podkarpackie",
          "text": "Narasta psychoza strachu i wzajemnych podejrzeń. Jak tak dalej pójdzie, będziemy musieli spać z jednym okiem otwartym i siekierą przy łóżku mówi jeden z nich.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to sleep with one eye open"
      ],
      "links": [
        [
          "sleep with one eye open",
          "sleep with one eye open"
        ]
      ],
      "raw_glosses": [
        "(intransitive, idiomatic) to sleep with one eye open"
      ],
      "tags": [
        "idiomatic",
        "imperfective",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/spad͡ʑ ˈzjɛd.nɨm ˈɔ.kjɛm ɔtˈfar.tɨm/"
    },
    {
      "rhymes": "-artɨm"
    }
  ],
  "word": "spać z jednym okiem otwartym"
}