Is it hooked to a UPS? I've seen where having an underpowered UPS will cause this. Other things could be the BIOS itself causing it to go to sleep as well. What kind of server is it?
From time to time, we have been tempted to believe that society has become too complex to be managed by self-rule, that government by an elite group is superior to government for, by, and of the people. But if no one among us is capable of governing himself, then who among us has the capacity to govern someone else?
-Ronald Reagan, 1981 Inaugural Address-