Dreaming about staying overnight at an acquaintance's home can symbolize several things. It may reflect your feelings about your current social life or relationships. Staying at someone else's place often indicates a desire for connection or a need to explore your feelings about that person.

Here are a few potential interpretations:

1. Exploration of Relationships: This dream might suggest you are considering deepening your relationship with this acquaintance or exploring new friendships.
2. Comfort and Safety: Staying overnight can be a representation of seeking comfort or safety in your life. It may indicate that you are looking for a secure environment, whether emotionally or physically.
3. Personal Boundaries: This dream could also reflect your feelings about personal boundaries. How comfortable do you feel in this acquaintance's space? It could indicate your thoughts about how much you’re willing to share or expose yourself to others.
4. Transition or Change: Overnight stays can symbolize transitions or changes in your life. It might suggest that you are in a phase of your life where you are open to new experiences.

Consider how you felt during the dream and what your relationship with this acquaintance is like in real life, as those emotions can provide additional context for your dream's meaning.