One of my few gripes with Los Angeles is that it's not a 24-hour town. Las Vegas? Gimme, gimme more. New York? Reasonable facsimile. Los Angeles? Not so much. My bio rhythms are royally screwed up. I have no problem staying up until 5am. I also have no problem waking up at 4am. I often say to myself that sleep is for the weak -- until I pass out and wake up 18 hours later,......