XPS 13 reboot after goes suspend in 16.04

Hi guys,
I’ve got a problem in Ubuntu Mate 16.04 with suspend mode. It has been working properly, laptop went to suspend when I closed the lid. But since a couple days ago, when laptop goes to suspend mode when I try to wake up again the session, after around a minute, laptop reboots. I have been checking the power manager in Dconf and apparently everything is ok.

Cheers guys,
I