I have a 3 and 1/2 hour ride home from the hospital after open RNY, will I make it?

My husband will be driving me home, so I should be able to recline my seat and probably sleep. But I would love to hear any advice for preparing me.

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.