C. S. Lewis Quotes about Sleep
C. S. Lewis (2013). “Studies in Medieval and Renaissance Literature”, p.137, Cambridge University Press
"A Reply to Professor Haldane (1946)". "Of Other Worlds: Essays and Stories". Book by C. S. Lewis, 1966.
C.S.Lewis (2016). “The Chronicles of Narnia Vol II: Prince Caspian”, p.20, ENRICH CULTURE GROUP LIMITED
C.S.Lewis (2016). “The Chronicles of Narnia Vol II: Prince Caspian”, p.103, ENRICH CULTURE GROUP LIMITED
C.S.Lewis (2016). “The Chronicles of Narnia Vol IV: The Silver Chair”, p.21, ENRICH CULTURE GROUP LIMITED
C. S. Lewis (2003). “A Mind Awake: An Anthology of C. S. Lewis”, p.107, Houghton Mifflin Harcourt