Can the AB blood group cause one to have a lower blood pressure than normal when one wakes up?

I have read that a small percentage of personality traits and physical characteristics are influenced by blood type. As you can deduce from my question I am AB(rhesus factor +, although it is irrelevant here)

I can demonstrate these studies to you with the following link:

http://www010.upp.so-net.ne.jp/abofan/HYPO-E.htm