The song "All Night Long" by Jonas Blue and RetroVision is about falling in love and being with someone throughout the night. The lyrics suggest a feeling of euphoria and a desire to keep the feeling going. The use of the term "sleepwalking" may suggest a dreamlike state or a feeling of being lost in emotion. The chorus repeats the line "Cause I'll be with you all night long", emphasizing the idea of being connected and together for an extended period of time. The lyrics also suggest a sense of adventure and taking risks, with lines like "Free falling" and "Catch a feeling, carry on". The verses touch on the idea of being drawn to someone even when they are strangers, and the longing to be close to them. The singer expresses a desire to stay with the person all night, despite not knowing them very well. Overall, the song is a testament to the excitement and intensity of falling in love, and the desire to be with someone for as long as possible.