This dream may be a reflection of the dreamer’s subconscious thoughts and fears about death and the legacy they will leave behind. The theme of death in the dream could symbolize the dreamer’s contemplation of their own mortality and the desire to leave a lasting impact on the world. The semi-arid area with wet sand forming dunes could represent the transitional nature of life and the constant changes and challenges that come with it. The familiar face of the professor could symbolize authority and wisdom, as well as the dreamer’s own academic pursuits and intellectual growth. The negotiation with the professor about how the dreamer wants to die could represent the dreamer’s desire for control over their own death and the legacy they leave behind. The professor’s suggestion to be buried with money could symbolize the dreamer’s desire for material wealth and success in life. The dreamer’s act of digging their own grave could represent their own self-reflection and contemplation of their own mortality. The darkness inside the grave could symbolize the unknown and fear of death. Overall, this dream may be a reminder for the dreamer to live a meaningful and purposeful life, leaving behind a positive legacy for future generations.