Problems are very much the same as your other fantasy mission
Your idea for human hibernation is nice, but its only in movies like 2001:SpaceOdyssey or Aliens and is still sci-fi.
http://www.msnbc.msn.com/id/7588904/
http://www.space.com/scienceastronom...on_041012.html
http://www.esa.int/gsp/ACT/biomimeti...p_hhstrategies
http://www.msnbc.msn.com/id/6235944/
putting people in cryo-genic sleep is still impossible, but NASA the Russians and Europeans have been looking into it