Same issue here, mine also looses a lot of battery power while 'sleeping'. I was told there would be a software update coming to fix this. Super annoying issue for an otherwise beautiful device. After years of apple home use only I have a really hard time accepting this type of issue.
I tried that on my SB this morning and still no luck; it just wouldn't recognize my external monitors....Next time this happens I'm going to try Win+P twice (switch to projector and back), and if that doesn't work I've written a short batch file and associated it with ctrl-alt-P to force a switch to an external monitor and then back to the internal monitor. Of course, I've disabled connected sleep in the registry now - I can't spend my entire work day dealing with and troubleshooting sleep/wake issues.