SAMMY HAGAR talks about his interest in mysticism, psychics and numerology in his new book, "Red:  My Uncensored Life in Rock"(It came out last week.) 

And in a new interview with TMZ, Sammy talks about the time when he was ABDUCTED by ALIENS, who "wirelessly downloaded" his brain.  And he's SERIOUS.

Watch the video it's kinda long....but crazy is always good entertainment!!