This dream may symbolize feelings of being overwhelmed and trapped in a difficult situation, possibly related to your health or well-being. The large medical building and hospital could represent a sense of being confined or restricted by external forces. The separation from your group may suggest a feeling of isolation or being alone in facing these challenges. The grim reapers wearing sunglasses could represent a fear of death or the unknown, and the time limits may symbolize a sense of urgency or pressure to overcome these obstacles. The stranger who gives you their cloak and sunglasses may represent a helpful and protective figure in your life, offering you the tools and support you need to blend in and cope with the situation. The hidden car could symbolize a hidden refuge or escape from the difficulties you are facing. Overall, this dream may reflect your subconscious desire for safety, protection, and a sense of control in the face of adversity.