Does your XPS 15 9570 get hot or suffer from heavy battery drain when asleep? If so, then Dell thinks you have caused it to do so. Re-installing the OS may, or may not, fix the issue too.
https://www.notebookcheck.net/XPS-15-9570-get-hot-or-drain-its-battery-when-asleep-Dell-says-that-you-are-using-it-wrong.423583.0.html