Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
It could, because the screen wont turn on when you get an alert.

6 hours of usage from doing what? Gaming would be good. What's the standby?
 
I'm saying yes. As pointed out above the alerts / notifications are silenced, so the screen is staying off. I use it daily and get a pretty decent battery life.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.