Every night when I'm asleep my computer will restart by itself and give me a sleep wake crash report. I followed the apple forums, resetting the pram, starting is safe mode, and even did a first aid via disk repair. The only USB connectors are from my keyboard and the lighting and 30 pin connector to my iPhone and iPod, respectively. My mac is a 2012 27 inch rocking 32gb of ram with a nvidia 680mx. Why? Is this happening to you guys that have installed sierra?