Three times since upgrading to Mojave a few weeks ago, my mid 2014 Macbook Pro has spontaneously switched itself on, with the lid fully closed. This is happening many hours after I shut it down (sometime in the middle of the night). I find it, in my bag, firmly closed, roasting hot, fan blazing.
I generally have to hard power-off the machine, then restart. In addition to losing some work, I'm concerned about damage to the machine at such high temperatures.
I've recently done a PRAM reset and an SMC reset. I had never seen anything like this in the years of previous versions of OSX/Macos.
Is there any known cause, or way to prevent this happening? Anything I can check for? There is no wake schedule set in Energy Saver preferences.