Give your computer a fresh start. We recommend that you shut down your computer at least once a week. A reboot process returns everything to its bootup state, from your computer's CPU to its memory.

Researchers: Short Snoozes Appear to Clear Out Short-term Memory, Making Way for New. Researchers: ... Catnaps May Reboot Your Brain, Aid Memory. February 23, 2010 / 11:40 AM EST / CBS ...