Nyx

William-Adolphe Bouguereau (1825-1905) - La Nuit (1883)

Roman-era bronze statuette of Nyx velificans or Selene (Getty Villa)

Nyx, as represented in the 10th-century Paris Psalter at the side of the 

Nyx (/nɪks/;^[1] Ancient Greek: Νῠ́ξ, Nýx, [nýks], 'Night')^[2] is the Greek goddess (or personification) of the night. A shadowy figure, Nyx stood at or near the beginning of creation and mothered other personified deities such as Hypnos (Sleep) and Thanatos (Death), with Erebus (Darkness). Her appearances are sparse in surviving mythology, but reveal her as a figure of such exceptional power and beauty that she is feared by Zeus himself.