In the morning the city Spreads its wings Making a song In stone that sings.
In the evening the city Goes to bed Hanging lights Above its head.
The effect " the city goes to bed" of Hughes use of personification is to express himself through the city as if the city was a human. He expressed what happened at night from a different view. The lights in the city go off so he compared the city to a human because we close our eyes to go to bed/ " we go off."
