10th BSOD-During sleep-Win 7 Pro x64

Hello All.

I seem to be getting BSOD's when my machine is in a sleep state. Meaning I put my machine to sleep. I come back and my computer boots to a screen saying "Unexpected Shutdown...".

So far I have this much info:

081014-8221-01.dmp    8/10/2014 1:50:10 AM    DRIVER_POWER_STATE_FAILURE    0x0000009f    00000000`00000003    fffffa80`069ed060    fffff800`00b9c3d8    fffffa80`10c3b010   ntoskrnl.exe    ntoskrnl.exe+75bc0    NT Kernel & System    Microsoft® Windows® Operating System    Microsoft Corporation    6.1.7601.18247 (win7sp1_gdr.130828-1532)   x64    ntoskrnl.exe+75bc0                    C:\Windows\Minidump\081014-8221-01.dmp    4    15    7601   1,100,680    8/10/2014 10:11:57 PM    

Can anyone help?

Thanks

Machine specs:

Dell Latitude E7440

8GB Ram, Intel Core i5 @ 2.5ghz