I just bought the Apple digital AV dongle for my rMB, and just noticed that it is not going to sleep properly. It is connect to my Dell U2415 monitor. Normally when the computer goes to sleep, the monitor immediately puts itself to sleep as well. On the rMB, when I put the OS to sleep, I get the message on the Dell monitor that it's entering sleep. Problem is, a few seconds later the monitor comes back on with a blank screen, and it locks up my monitor (can't access the menu to change input). I know the monitor is on because the power LED is lit solid, instead of slowly flashing. I also noticed that when connected to the charger, the wifi remains connected the whole time the OS is sleeping. If sleeping without the charger plugged in, the wifi will eventually disconnected after a few hours, presumably when it goes into a deeper sleep. I've owned many other MacBooks and Mac Minis before, none behaved this way. I've set the standbydelay and autopoweroffdelay in pmset to 60 seconds. The OS seems to ignore those settings and never goes into a deep sleep. Is anyone else seeing these issues?