The song "Don't Wake Me Up" by Jonas Blue & Why Don't We explores the theme of longing for love and the desire to hold onto it, even when separated by physical distance.

In the verses, the narrator expresses their feelings of loneliness and longing when they are away from their loved one. They question if their loved one feels the same way and hopes for their return. The pre-chorus reflects the narrator's uncertainty about their ability to make their partner happy, but they are determined to try despite the odds. They feel connected to their loved one even when they are apart, as their love resides in their thoughts.

The chorus highlights the narrator's deep emotional attachment to their loved one. They find solace in the fact that they have finally found them and feel their love whenever they close their eyes. In the darkest times, they hold onto the belief that they will always find each other, even in the metaphorical darkness. The loved one is like a dream to them, and their presence alone is enough to bring the narrator comfort and joy.

The post-chorus repeats the idea of finally finding their loved one, emphasizing their joy and relief at this discovery. The second verse reflects on the distance between the narrator and their loved one, reminiscing about summer days that now seem distant. They yearn for the opportunity to hold their loved one and make them feel at home again.

Overall, "Don't Wake Me Up" portrays the powerful emotions associated with finding love and the longing to maintain that connection despite physical separation. It conveys the narrator's hope, determination, and sense of fulfillment in finally finding their loved one.