Les Espaces du sommeil has been praised by music critics. Andrew Clements of The Guardian stated that "the orchestral forces of Les Espaces du sommeil, dedicated to the baritone Dietrich Fischer-Dieskau, are substantial and refined."[7] George Hall of BBC Music Magazine mentioned "the atmospheric (...) setting of Robert Desnos exploring the borderland between waking and dreaming."[8]
^Chłopecki, Andrzej. "Les Espaces du sommeil". The Witold Lutosławski Society - "Output". Translated by Kapelański, Maksymilian. Retrieved 11 November 2019.
^Platt, Russell (2005). Woodstra, Chris; Brennan, Gerald; Schrott, Allen (eds.). All Music Guide to Classical Music: The Definitive Guide to Classical Music. Milwaukee, WI: Backbeat Books. p. 775. ISBN978-0-8793-0865-0.