"Dreams Tonite" forms the basis of the album's "fantasy breakup arc,"[2] with the protagonist questioning whether or not they would still be attracted to their significant other if meeting in the present, rather than the past.
[7] The song's retro-futuristic music video was directed by Matt Johnson, and uses archival footage of Montreal's 1967 International and Universal Exposition.
[9] Mark Byrnes of Bloomberg described the proceedings: "While "visiting" Expo, the members ride the automated Minirail, gape at Buckminster Fuller's geodesic dome, and perform on an outdoor stage for fairgoers.
[11] Amanda Wicks from Pitchfork suggested the song "looks at the liminal space between [...] two frames of mind, questioning the forces that separate lovers, be they self-made or circumstantial.
"[14] Randall Colburn at Consequence called the song "relentless in its romanticism,"[15] while Anna Gaca of Spin dubbed it "light, literal dream pop that’s almost too pure for this world.