B12 is a vitamin. You are probably having strong vivid dreams.
http://en.wikipedia.org/wiki/Vitamin_B12
Level 12 is the indication of the 12th stage and end of the end or beginning stage of the beta-cortesol.
It's actually like:
12,1,2,3,4...all the way to 11
Beta-cortesol is the link to balance the arteries health.
B12: high amount of sugar-like cholestrol combined with dead cells residing level 12, which is similar to the opposition of the B12 vitamin.
Very healthy, but contain some flaws.