playlist compilation article
Songs with the word "dream" conjure mind wanderings. Difficult to be asleep AND think or mentally sing songs about dreams and dreaming. One song that could fit the bill might be one about daydreaming, such as "Daydream Believer" by the Monkees.
Read the entire article at http://whilldtkwriter.blogspot.com/2012/08/dreamy-music.html and comment there, please.