@John Your problem probably related to processes that constantly consuming the CPU % and RAM. It could be related to your installed applications. Some of them probably buggy and unstable. Find out the culprit and eliminating it then your problem will resolve itself. Xorg- can sometimes became unstable Hildon-Home - usually became unstable after 24 to 60hours of up time (if you use SWAP on MicroSD then it will resolve this, I hope) Some other processes ...etc