The song "I Can't Sleep" by US5 expresses the narrator's feelings of longing and obsession for someone they are deeply infatuated with. The lyrics suggest that the narrator feels like they are not the other person's type, but they can't stop thinking about them every day. Despite others advising against wasting time on a fantasy, the narrator admits that all they ever wanted was to be with the person they are singing about. The late nights are particularly difficult for them, as they are filled with thoughts and a feeling of loneliness when walking alone. The narrator feels played and misunderstood, expressing a desire for the person to see them as more than just an average person. They admit to continuously running after this individual, even though it may seem foolish. The refrain of the song highlights the narrator's desperation and emotional turmoil. They confess to being unable to sleep, unable to eat, and finding solace only in tears. They express a deep need for the person to be in their life and ask where they are sleeping tonight, suggesting a desire for physical and emotional closeness. Overall, "I Can't Sleep" depicts the narrator's intense infatuation and longing for someone who may not reciprocate their feelings. They are consumed by thoughts of this person and are desperate for them to be a part of their life.
