Last night, I closed the lid to my MBP to put it in sleep mode. Got up this morning, went to put it in my bag and noticed that it was really warm. Turns out it never went to sleep. I opened the lid and tried to play around with it, and I couldn't get a response. So, I did a hard shut down. Then I powered it up, logged in, and everything seemed normal...until I looked down at the dock...it went back to factory defaults. All of the icons I had placed there over time were just gone. My desktop was the same, all the files that were there before are still there now...just my non-default icons in the dock went away. Anyone ever seen anything like this before? I did a permissions repair, restarted but still nothing. I have since re-customized my dock, and it's been working okay since then.