The rules and such for the Treasure Hunt can be found in the Quizzyland/ Challenges Area (Click Challenges from the quizzyland header bar)/ Regular Challenges/ and then look under the Sapphire Cavern for Treasure Hunter. I think that's as much help as anyone is allowed to give toward that badge.
If you aren't seeing Heaven while you dream, you're doing something wrong.
Dreams allow escape from the passage of Time.
The ultimate activity is the Dream.