On the Dream, and yes, an extra chair, but no murphy bed...just the fold-out couch and the pull-down bed. For my son, 8yrs, the pull-down bed was one of the best parts of the trip.
The cruise was incredible. Relax, enjoy the food, talk walks on deck 4 and if you're anything like my wife, you'll love the shows. (one show has a shirtless Tarzan...the wife loved it