But where are you? What world are you in?

Well, Dad, there is quite a difference between the me that lives in this world and the me that lived in your world!

My body does not need food or drink to keep it going, nor does it need sleep to restore it. When you first arrive here, however, the routines of eating and drinking and sleeping are too firmly established to be eliminated at one fell swoop. So if you think you need to sleep, well, you lie down on a couch in one of the houses, and you sleep for as long as you want.