"dreymi þig vel" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "phrase"
      },
      "expansion": "dreymi þig vel",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Icelandic phrasebook",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "is",
          "name": "Sleep",
          "orig": "is:Sleep",
          "parents": [
            "Body",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sweet dreams"
      ],
      "id": "en-dreymi_þig_vel-is-phrase-6GqP84WR",
      "links": [
        [
          "sweet dreams",
          "sweet dreams"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) sweet dreams"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "dreymi þig vel"
}

{
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "phrase"
      },
      "expansion": "dreymi þig vel",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic idioms",
        "Icelandic lemmas",
        "Icelandic multiword terms",
        "Icelandic phrasebook",
        "Icelandic phrases",
        "is:Sleep"
      ],
      "glosses": [
        "sweet dreams"
      ],
      "links": [
        [
          "sweet dreams",
          "sweet dreams"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) sweet dreams"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "dreymi þig vel"
}