"Sleep" is a song by Australian actress and singer Emily Browning, featured in the soundtrack of the 2011 film "Sucker Punch." The song was originally performed by British band The Smiths and was covered by Browning for the film adaptation. The lyrics of "Sleep" convey a sense of loneliness, weariness, and a longing to escape from reality. The protagonist of the song is tired and wanting to go to bed, asking to be sung to sleep. They express a desire to be left alone in their solitude throughout the night and not be awakened in the morning. The plea for singing to sleep reflects a yearning for comfort and peace. The lyrics continue to suggest that the protagonist doesn't want to wake up on their own anymore, indicating a sense of dependency or desire for companionship. They don't want others to feel bad for them, as they feel an inner satisfaction in leaving the world behind. The song then introduces the idea of another world, a better world. This could be interpreted as an escape from the troubles and sadness of reality. There is a longing for a world that offers hope, happiness, and freedom from the struggles faced in the present. Overall, "Sleep" reflects emotions of weariness, loneliness, and longing for a different reality. Emily Browning's rendition of the song captures the mood of melancholy and escapism portrayed in the film "Sucker Punch."