I did a 10hour booking (12pm-10pm....
You will be tired but it is doable. I went for a walk, and to a bar and some food aswell.
In the bedroom we did lots of cuddling and chatting.
He took a nap at one point. (he was extremely over weight and needed the rest)
Other things to do are cards, toys, showers many many showers, tv, porn, a film, i liked the idea of bringing different undies and doing a show.
Best of luck xx