Should you leave your MacBook asleep or fully power it off when you're done? Here's what you need to know about modern Macs, ...

This article explains how to prevent your Mac from going to sleep, including instructions to schedule an automatic sleep time after you have set your screen to stay on all the time. How to Keep Your ...

My early 2009 iMac running Lion used to enter sleep mode just fine. For a while now, however, it doesn't at all any more, and I'm wondering what the cause might be. I am not running anything fancy, ...