Hi there @Marklin, I'm yet to experience this aspect of teenagers, so I cannot weigh in from experience, but as far as sleepovers in general, I think it's absolutely okay to be in contact with the other parents - especially at this age when our teens may not always be upfront and honest with us as to their whereabouts.    Apart from that, I'd also want to know my daughter's safe and is not exposed to any dangers or anything I don't agree with.    Your son is your son and if you feel you want to talk with the girls parents, I'd encourage you to do so.    Let us know how you get on.  ... View more