Dreams featuring familiar places, like your grandparents' house, often evoke feelings of nostalgia and connection to your past. The black and white setting could symbolize a feeling of monotony or a lack of vibrancy in your current life. It may reflect a situation or emotion that feels dull or lacking in excitement.

The golden smiling face in the bed is a striking contrast to the rest of the dream. Gold often represents value, positivity, or a sense of warmth and happiness. This face might symbolize a hidden joy or positivity that you are not currently acknowledging in your waking life. It could also represent a memory or a part of your past that brings you comfort and happiness.

Overall, this dream may be encouraging you to seek out the joy and color in your life, even when things seem dull or routine. Consider what aspects of your life might benefit from a renewed perspective or a touch of warmth and positivity.