וַיֹּ֧אמֶר לָהֶ֛ם הַמֶּ֖לֶךְ חֲל֣וֹם חָלָ֑מְתִּי וַתִּפָּ֣עֶם רוּחִ֔י לָדַ֖עַת אֶֽת־הַחֲלֽוֹם׃
And the king said unto them: ‘I have dreamed a dream, and my spirit is troubled to know the dream.’
Read kabbalistic (mystical) interpretation of Daniel 2:3: and classical mystical sources.