The nurse did not see him.

And when she had gone to her breakfast Philip crawled out.
Yes, the city was gone.

Not a trace of it.

The very tables were back in their proper places.
Philip went back to his proper place, which, of course, was bed.
'What a splendid dream,' he said, as he cuddled down between the sheets, 'and now it's all over!' Of course he was quite wrong..