: Flickering Myth and SiftPop both highlight how the film serves as a "refreshing lesson" for younger viewers on the five stages of grief and the psychological concept of repression.
: Critics from Variety and Roger Ebert compare the film to Winsor McCay's original 20th-century comic strip, Little Nemo in Slumberland , often noting that the movie prioritizes modern CGI over the surreal, artistic vision of the source material. Slumberland 2022
: For a more critical "paper-like" analysis, Incluvie offers a unique perspective on the film's "discreet insensitivity," arguing that many of its dream sequences rely on tired cultural stereotypes despite the film's high-budget spectacle. : Flickering Myth and SiftPop both highlight how