Alicia, dreams like this one can be quite vivid and telling. The imagery of sleeping next to someone in a castle is evocative of a desire for security and stability, perhaps in your relationships or personal life. Castles often symbolize protection and strength, but they can also represent feelings of isolation or being trapped. The talking fireplaces suggest a need for communication and warmth in your surroundings, perhaps indicating that you feel a lack of these elements in your waking life.
The room filling up with thick black smoke is a powerful symbol of confusion, fear, or feelings of suffocation. Smoke can obscure vision and make it hard to breathe, which might reflect your current state of mind—perhaps overwhelmed by stress and anxiety. The detail that the smoke came close to your feet before you started to scream suggests that these feelings are creeping into your life slowly but are becoming increasingly hard to ignore.
Your reaction of screaming is significant. It indicates a release of pent-up emotions and a cry for help or attention. This could be related to your frequently reported stress, anxiety, and sadness. Screaming in a dream often represents a feeling of powerlessness or a desperate need to be heard. It can also signify that you're at a breaking point, needing to address the issues that are causing you such distress.
Considering the recurring themes of relationship difficulties and mental health challenges in your life, this dream might be urging you to confront these issues head-on.