"keep someone up at night" meaning in English

{
  "forms": [
    {
      "form": "keeps one up at night",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping one up at night",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept one up at night",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept one up at night",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> one up at night"
      },
      "expansion": "keep someone up at night (third-person singular simple present keeps one up at night, present participle keeping one up at night, simple past and past participle kept one up at night)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2023 March 9, Sauli Niinisto, 9:23 from the start, in Finland's President Sees No Reason to Talk to Putin, Bloomberg, archived from the original on 2023-03-09:",
          "text": "Reporter: You share this border, more than eight hundred miles, with Vladimir Putin. What keeps you up at night?\nNiinisto: Nothing keeps me up at night. But in the daytime we... like I have said, we are not afraid, but we are fully awake.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to make someone disturbed (such that someone might not sleep well); to be watchful of"
      ],
      "id": "en-keep_someone_up_at_night-en-verb-1LYwGym3",
      "links": [
        [
          "disturb",
          "disturb"
        ],
        [
          "watchful",
          "watchful"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) to make someone disturbed (such that someone might not sleep well); to be watchful of"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "keep someone up at night"
}

{
  "forms": [
    {
      "form": "keeps one up at night",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping one up at night",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept one up at night",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept one up at night",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> one up at night"
      },
      "expansion": "keep someone up at night (third-person singular simple present keeps one up at night, present participle keeping one up at night, simple past and past participle kept one up at night)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "2023 March 9, Sauli Niinisto, 9:23 from the start, in Finland's President Sees No Reason to Talk to Putin, Bloomberg, archived from the original on 2023-03-09:",
          "text": "Reporter: You share this border, more than eight hundred miles, with Vladimir Putin. What keeps you up at night?\nNiinisto: Nothing keeps me up at night. But in the daytime we... like I have said, we are not afraid, but we are fully awake.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to make someone disturbed (such that someone might not sleep well); to be watchful of"
      ],
      "links": [
        [
          "disturb",
          "disturb"
        ],
        [
          "watchful",
          "watchful"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial) to make someone disturbed (such that someone might not sleep well); to be watchful of"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "word": "keep someone up at night"
}