Dreaming of missed days often symbolizes a sense of regret or feeling like something important has been overlooked or left behind. It reflects a subconscious awareness of missed opportunities or a desire to make up for lost time. This type of dream may suggest a need for taking action or making amends in waking life. It could also indicate a fear of not fully experiencing or appreciating life's moments. Additionally, missed days dreams might reflect a concern about falling behind or not meeting expectations in terms of work, school, or personal goals.