Never has. To be clear, it sleeps, just never wakes up sometimes. It's actually quite often that this happens. Often it won't even wake up after opening the lid and tapping on its internal keys, so it's not just a USB issue. I'm not running anything unusual. Jetbrains IDEs, Chromium, iTerm2, vmware fusion, slack, sublime, etc. This is an ongoing issue for 4 OS X versions since I bought the laptop.
I've just given up on having a computer sleep and wake up properly, especially a laptop, like I've given up on ever seeing reliable bluetooth on the same laptop (can't even play when the speaker is literally touching the laptop without dropouts; phone has no problems). I assume that laptops with reliable sleep is something we might see again in 2020 and beyond (2007 mbpro had it). On the other hand, I know for a fact I will not see reliable bluetooth connections in my lifetime or maybe ever, so compared to that, there's still hope.
I've just given up on having a computer sleep and wake up properly, especially a laptop, like I've given up on ever seeing reliable bluetooth on the same laptop (can't even play when the speaker is literally touching the laptop without dropouts; phone has no problems). I assume that laptops with reliable sleep is something we might see again in 2020 and beyond (2007 mbpro had it). On the other hand, I know for a fact I will not see reliable bluetooth connections in my lifetime or maybe ever, so compared to that, there's still hope.