I'm also a nightowl, mostly so I can avoid most people during
   the day. And a genius. And a narcissist and proud of it. And
   humbler than everybody else too, because Science!
   I'm not being sarcastic - that REALLY is how I think of myself.
     Confirmation bias is the hardest one to overcome though;
   that's a universal human problem, even among scientists,
   statisticians, because, well, we have no other perspective other
   than human to work with.