The answer is: Abimelech

Gen 20:3

In the exploration of biblical dreams, Abimelech might not be a household name like Joseph or Daniel, but his role as the first recorded dreamer adds a unique twist to scripture. You see, Abimelech was a king of Gerar who experienced a disturbing dream about Abraham and Sarah's elaborate deception. God spoke to him in this dream, warning him that he was about to commit a significant wrongdoing by taking Sarah as his wife. This encounter emphasizes that even those in power, like kings, aren’t exempt from divine revelations taking place through dreams.

Another fun fact about Biblical dreams is that they often served as defined gateways between the mortal and divine realms. From the iconic dreams of Jacob's ladder to Solomon's nocturnal request for wisdom, biblical characters were frequently prompted to reflect and act upon these mystical nighttime experiences. This demonstrates the significance of dreams not just as fanciful illusions, but weighty portals for moral and spiritual revelations.

Abimelech's interaction vividly suggests that even that ancient ruler’s authority was held in check by a higher power, revealing God’s concern for the ethical conduct of all people—not just His chosen ones. It's also a thrilling reminder that every aspect of life, from a simple lack of sleep to troubled dreams, may carry meaning and recognize God’s presence in various forms. It encourages us to stay attentive to the whispers we might receive, bearing in mind that thoughtful reflection on life’s complexities often emerges through unexpected mediums.