Cool thread. And I thought I was deprived by getting 7-9 hours of sleep each night. My advice is to get to bed a decent but constant time (for me it is ~10:30; having to wake up at 7:00) and sleep in on the weekends. I sometimes can't imagine how Lubemaster here gets his sleep when it's 11:00 PM Pacific time and he's still posting on the forums.
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One question though, why do I sometimes feel more sluggish if I get more sleep? Shouldn't it be the other way around?