Endymion. Effect of Moonlight (Le Sommeil d'Endymion)
Painting on canvas • Anne-Louis Girodet de Roussy-Trioson

Style & Movement
Neoclassicism transitioning into Romanticism
Medium & Technique
Oil on canvas, utilizing sfumato for soft transitions and dramatic chiaroscuro for emotional and atmospheric depth
Creation Period
1791
Dimensions & Format
198 cm x 261 cm (approx. 78 in x 103 in); large-scale landscape-oriented format
Subject Description
The mythological youth Endymion lies in a deep sleep, bathed in a celestial light representing the goddess Selene (the Moon). A Zephyr parts the foliage to allow the moonlight to touch the beautiful hunter, who is reclined in a sensuous, idealized nude pose. The composition emphasizes eroticism and poetic mystery over traditional heroic Neoclassicism.
Condition & Value Assessment
Condition Assessment
Excellent; well-preserved in a museum environment
Estimated Market Value
Indeterminable (National Treasure); if at auction, potentially $30,000,000 - $50,000,000+
Auction Estimate
$25,000,000 - $40,000,000 (hypothetical)
Provenance History
Acquired by the French State; currently held in the collection of the Musée du Louvre, Paris
Art Historical Significance
A pivotal work that broke away from the rigid Davidian Neoclassicism, introducing the dreamlike, subjective, and emotional qualities that would define the Romantic movement.
Notable Features
The distinctive soft-focus rendering of the skin and the innovative use of 'cool' lunar light, which was a departure from the 'warm' sun-drenched lighting of Roussy-Trioson's contemporaries.
Condition Issues
Minor surface craquelure consistent with 18th-century oil on canvas; old varnish layers have been professionally stabilized
Conservation Recommendations
Continued monitoring of humidity and temperature within museum-grade climate control; UV filtration in lighting