What happened when the sun went down in the ancient world? Far more than sleep. Darkness changed the rules of daily life: city gates closed, watchmen took their posts, fires became a danger, and streets that belonged to commerce and authority by day could become places of ritual, celebration, secrecy, desire, and fear. In this issue of Ancient Origins After Dark, we follow the moon through myth and calendar, enter the dream chambers of healing sanctuaries, and explore the festivals, feasts, night journeys, and forbidden worlds that emerged after sunset. From Egyptian nightmares and Greek oracles to Maya torchlight, Roman streets, witches, vampires, werewolves, and the uneasy border between the living and the dead, these stories reveal that night was never simply an absence of daylight. It was a realm with its own dangers, freedoms, gods, and possibilities—a time when the ordinary world could seem less certain, and the unseen could feel close at hand. Lower the lamp and join us: the past looks very different after dark.