be in the land of nod

be in the Land of Nod

To be asleep. The phrase likely alludes to how one's head nods when one is falling asleep. I would have told you this last night, but you were already in the Land of Nod, and I didn't want to wake you.
See also: land, nod, of

be in the land of nod

  (old-fashioned)
to be sleeping Joe's in the land of nod at last.
See also: land, nod, of