The Seven Sleepers of Ephesus is a legend about a group of seven young Christians who hid in a cave to escape persecution during the reign of the Roman Emperor Decius. They fell into a deep sleep and were miraculously preserved for centuries. When they awoke, they discovered that Christianity had become the dominant religion in the Roman Empire. This story is significant in both Christian and Islamic traditions. In Christianity, it symbolizes faith and resurrection, while in Islam, the Seven Sleepers are known as Ashab al-Kahf and are mentioned in the Quran. Their tale highlights themes of divine protection and the power of belief.