The new sacristy (sacristy) was conceived as a memorial chapel for Giuliano de' Medici, brother of Pope Leo, and Lorenzo, his nephew, who died young. It was the idea of ​​Leo X, but the customer was Pope Clement VII, another member of the Medici family, who actively supported this project.
Michelangelo worked on the composition of the tombstones of the Medici Chapel in 1526-1531. According to Erpel, the final sculpture "Morning" was finalized in 1531, along with "Night". In 1534, Michelangelo left for Rome without erecting sculptures or completing the tomb.
The sculpture depicts a woman who has not yet awakened. The woman is reclining on the sarcophagus, leaning on her right arm, and the left, bent at the elbow, froze in motion, almost touching the curved left leg. Her eyes are half closed and her mouth is open. The head is turned towards the viewer and bowed to the right shoulder. A ribbon is tied under her chest, which is a symbol of slavery. "Morning" is the exact opposite of "Night", whose body endured many children. This different femininity - the maiden "Morning", the mature "Night" - is a dialectical correspondence to the Madonna, who is both virgin and mother. Vasari wrote about her like this: