Read a book. Not one that has been on your good books to read list for a long time, because the narcotics will probably cause you to not really remember it, but read a book anyway. Because who knows when you’ll sit for this long again?
Watch every season of Gilmore Girls. Or, if you’re not immobilized for too long, watch at least a few episodes.
The first time: Learn to knit hats. Proceed to make hats for everyone you know. The second time: Learn to knit socks. Proceed to make socks, mostly for yourself.
Write letters while on Vicodin. Who wouldn’t want to get those?
Stalk facebook, perhaps more obsessively than you would on a normal basis.
Discover 89274 baking blogs to follow and bake recipes from. Make plans to bake everything on the blogs, but the follow-through is optional.
Learn to do really awesome crutch tricks. Like putting on shoes with no hands, and and heel clicks. Proceed to wow everyone you know with these tricks.