How to adjust time before Mac sleeps?

I recently started with Mountain Lion and can't find a way to set the amount of time before the computer goes to sleep.
I looked in System Preferences -> Energy Saver and it has a slider to set the time before turning off the display and a box to keep the computer from sleeping but nothing to set the time before it sleeps?
I'd like to know when my computer will go to sleep and sometimes I may have it doing something like copying a large amount of data from one drive to another or running a batch process and a large number of photographs where I need the computer up and running for a few hours.
Is it possible to adjust the time before the Mac sleeps in Mountain Lion? I used to do it in Leopard and Snow Leopard.

Hi Eric. No, it doesn't look like that. It looks like this (attached screen shot).
I'm using OSX 10.8.5

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How to adjust time before Mac sleeps?

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