Seems like she enjoyed the attention, she most likely added them and liked their pictures in an indirect attempt to get them to keep providing her with that attention. If I were you I'd keep an eye on the comments that may show up from those guys.

I feel like sex-ed classes need to start including the fact that morning wood doesn't equal horny. Troll or not, there are people that genuinely believe that random morning boners MUST mean that the guy is horny and ready to go.