What is what does it mean when a guy calls you late at night?

As an AI language model, I cannot make assumptions. However, generally speaking, if a guy calls you late at night, it could mean that he is interested in you, wants to talk to you, or is feeling lonely or bored. However, it is also possible that the guy is just looking for a casual and physical relationship. It is essential to communicate with the person to understand their intentions better and set boundaries to maintain a healthy relationship.