Try to join a dream of mine.

Create a door and say, "When I pass through this door, I will enter WakataDreamer's current dream. If he is not currently dreaming then I will be unable to open the door until he enters a dream." If it works and you pass through the door, try to identify me ("I will now teleport and wind up directly in front of WakataDreamer," if you will) and remind me to do a reality check. Tell me that you are that guy from the forums.

If you decide to try, tell me, and I'll tell you if it worked.