Charles Ellicott Commentary Daniel 2:28

"but there is a God in heaven that revealeth secrets, and he hath made known to the king Nebuchadnezzar what shall be in the latter days. Thy dream, and the visions of thy head upon thy bed, are these:" — Daniel 2:28 (ASV)

Visions of your head.— Called thoughts, (Daniel 2:29), which were the natural means through which the supernatural revelation was communicated. These came into his mind without his forcing them upon himself. He was thinking of other things, further conquests, perhaps, and the like, but these thoughts came from a higher source.