Its best to diable it?
How do you do that? 
Windows 7
1.Open your control panel from the Start menu.
2.Click on Hardware and Sound
3.On the left side of the screen, select Create Power Plan
4.Select the High Performance radial
5.In the name field, call your plan whatever you would like
6.Change the Put Computer to Sleep field to Never
7.Click on the Create button to create your custom plan.
8.Once back on the main Power Options screen, select Change Plan Settings
9.Next click the blue Change Advanced Power Settings link
10.Open the hard disk power options, by clicking on the + next to Hard Disk
11.Change the time listed under Turn Off Hard Disk After to 0
12.Under the Sleep options you should change Sleep and Hibernation both to 0 as well
13.Click on OK and close the window.
14.Your power management settings have been set to disabled
ack-ack