Dreams involving landscapes like farms and elements such as grass often symbolize your connection to your roots, personal growth, and the passage of time. The yellow grass could represent a sense of nostalgia or a longing for simpler times, possibly connected to your childhood.
Seeing your deceased brother while you are an adult can reflect unresolved feelings or a desire for connection with him. The act of looking through the window but not being able to enter might signify feelings of being barred from certain memories or experiences, suggesting a longing for the past or a struggle with acceptance of loss.
Transforming back into a child can indicate a desire to return to innocence or to escape current responsibilities. The taller grass representing your fear of lying down suggests that even in a safe space, you might feel overwhelmed or vulnerable, as if surrendering would mean giving up on your journey or facing difficult emotions.
This dream may be prompting you to explore your feelings about your brother's passing and how it has impacted your life. It might encourage you to confront these feelings rather than avoid them. Consider reflecting on your childhood memories and what they mean to you, as well as how you can honor your brother’s memory in your current life.