What is what does it mean when a guy falls asleep on you?

As an AI language model, I don't have personal experiences or emotions, but I can provide some general information based on what people usually say in such situations.

When a guy falls asleep on you, it can mean a few different things depending on the context and the relationship between the two of you. Here are a few possibilities:

1. He is comfortable with you: Falling asleep on someone is a vulnerable and trusting act, so if he is comfortable enough to do that around you, it is a sign that he trusts you and feels safe with you.

2. He is exhausted: If he falls asleep on you during a movie or a long car ride, it could simply mean that he is tired. It's natural to feel sleepy when you're relaxed, comfortable, and not doing anything stimulating.

3. He is not interested in you: If a guy falls asleep on you during a date or in a situation where he would normally be engaged and attentive, it could be a sign that he is not interested in you or what you're doing.

4. He is using you for comfort: If he only falls asleep on you when he's feeling sad, lonely, or stressed, he may be using you as a source of comfort and emotional support without actually being interested in a relationship.

In any case, falling asleep on someone is generally not considered rude or disrespectful, and it's usually not something to get upset about. If you're unsure how to interpret his behavior, it's always best to ask him directly what's going on.