Just another example of how flawed Windows power management features are...
Sorry this sounds like a personal rant but i simply don't use any of them at all...
If I'm working on a project, I would hibernate my computer when I go to bed (so that I wouldn't have to worry about re-opening folders/files).
For the last two months, my computer won't stay off. I have to flip the switch on the PSU to keep it hibernating.
I can't for the life of me figure out what happened, or how to fix it.
Macs has that stuff figured out pretty well.