Notice of Battle Starting

We receive notices during the day of tank is full, trade goods restocked and such. Why not have a notice at the beginning of a battle that we signed up for. Lets say you sign up for a battle but it doesn't start for another 50 or 30 minutes. A member may not be able to sit there that whole time waiting. This would be rather playing another part of the game such as the challenge and losing track of time or off the game while lets say watching tv or doing house work.