What happens when the battery dies when in sleep mode?

[weizilla]

If your macbook is in sleep mode and the battery runs out, what happens?

I'm worried that if it just shuts off and loses everything (since sleep still requires some battery power), I'll get file system corruption. That's what happened on my Linux machine since it's essentially the same as just yanking the power out abruptly w/o properly unmounting the drives. In Windows, it seems like you can unplug the power anytime w/o worrying too much about file system corruption.

 

[tersono]

If battery dies, machine stops - whether it's sleeping or running. It just takes longer for the battery to die when the machine is sleeping.

You won't lose saved data, but you will lose unsaved data in any running applications