"One Night" by Joan Armatrading is a song about longing and desire for a deeper connection with someone. The lyrics convey the narrator's yearning to see the true side of their love interest, beyond the façade they present. The song explores the hope that one night of intimacy could potentially bring them closer and make their love interest stay. The narrator describes having the same dream every night, in which they envision themselves being intimate with their love interest. The dream feels incredibly real to them, and they believe that if they could bring this dream to fruition, it could make their love interest stay with them. The lyrics also suggest that taking a chance on love and being courageous enough to express their desires could lead to a more fulfilling relationship. The narrator encourages their love interest to think beyond safety and be willing to take a risk on them. They believe that their love interest could be a hero by giving them a chance and allowing themselves to be vulnerable. Overall, "One Night" expresses the longing for a deeper connection, the vulnerability of yearning for someone who may not fully reveal themselves, and the hope that one night together could change everything and make their love interest stay.