This is a known issue with these laptops (http://support.apple.com/kb/TS2377) and apple may very well be willing to replace the logic board for you for free. I recently took in an early 2008 macbook pro with this exact same problem and they replaced the logic board for free within 3 days. I never even had the extended warranty. Best of luck.
Wouldn't you imagine that highly physical jobs like Forest / Logging Workers, Athletes, Construction Workers,... require a significant amount of additional sleep to compensate for physical strain (more than 15 minutes)?
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This is a known issue with these laptops (http://support.apple.com/kb/TS2377) and apple may very well be willing to replace the logic board for you for free. I recently took in an early 2008 macbook pro with this exact same problem and they replaced the logic board for free within 3 days. I never even had the extended warranty. Best of luck.
Wouldn't you imagine that highly physical jobs like Forest / Logging Workers, Athletes, Construction Workers, ... require a significant amount of additional sleep to compensate for physical strain (more than 15 minutes)?
Since it wasn't included in the synopsis...