Best Energy Saver settings - What do you Recommend

[siam]

For the first time I am using my 24 inch iMac to download some files over night while I sleep , using a download manager, ( Speed Download ) and wondered what would be the best settings to use would be on the Energy Saver settings panel

any advice / comments / Tips - Please

Thanks

 

[edesignuk]

If it's on doing something all you can really do is sleep the display.