DS is 13 and we know his closest friends and their families pretty well. He's asked to go on a sleepover this weekend with a friend we've never met, and whose parents we don't know. I said OK but could he get one of the parents just to drop me a text, he said no that's embarrassing.
DP seems to think it's fine, and it probably is. I just think it's weird he'll be sleeping away at an unknown address. His other friends that we do know will be there too. He has a phone tracker.