In Sommeil de Diane (La nuit), Henri Fantin-Latour presents a tranquil scene dominated by deep blues and soft whites. The figure of Diana, the Roman goddess of the hunt, is depicted in a serene slumber, surrounded by a dreamlike landscape. The colors blend harmoniously, creating a sense of calm and stillness.

The setting evokes the quiet of night, with subtle hints of nature around her. The painting is executed in oil on canvas, showcasing Fantin-Latour's skillful brushwork and attention to detail. The composition draws the viewer's eye to Diana, who is elegantly draped and positioned centrally. The use of light and shadow enhances the depth of the scene, while the soft outlines of the background contribute to the overall dreamlike quality.

This work exemplifies the Symbolism movement, focusing on themes of dreams and mythology. Henri Fantin-Latour was known for his still lifes and portraits, but he also explored mythological themes. Sommeil de Diane (La nuit) reflects his fascination with the interplay of light and color, typical of the Symbolist style. An interesting fact about this work is that it showcases Fantin-Latour's ability to blend classical subjects with a modern sensibility.

This painting highlights the artist's versatility and his contribution to the Symbolist movement.