[iamcasen]

It is obviously possible, we all do it all the time we just don't realize it. All that's required is realizing that your waking life is no more "real" than your dreaming life. You've just drawn an arbitrary line in the sand and called it "real."

Meditate regularly for only 6 months and this becomes apparent

[ChrisCinelli]

It become apparent or you read "eastern books" on the subject that suggest that as what it is happening.