Thank you, Jerry…both good and bad to know that, I spoze…I was worrying a bit that it could be a hardware issue, but OS X quirks, I can live with. The thing stayed awake for good this morning..go figure… cat On May 27, 2014, at 10:04 PM, Jerry Krinock <jerry at ieee.org> wrote: > The annoying behavior you have described has been endemic to Macs for many years. It comes and goes with the seasons on different models, or maybe Mac OS X updates. Only God knows. My 2013 13” MacBook Air had been doing it occasionally during the winter, but with summer approaching I’ve not seen it lately. > > _______________________________________________ > X4U mailing list > X4U at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/x4u