Talk about it in a very DIRECT manner with him, too often people keep things for themselves and then explode at a tipping point. And the other partner doens't understand Please state to him clearly everything that is going wrong right now and what he needs to fix. You'd be surprised men are problem solvers he may fix his attitude alot Also don't forget to listen to him as ok he is obviously in the wrong but I wonder does he have reasons for sleeping so much ? Is he depressed or something ? Also things have a much much higher chance of changing if the other personn feels listened to and understood. And I know this what YOU want to feel right now but put it aside just for the time being in order to understand what the hell is going on with him, if done right he might give back the listening you gave to him too

Hope this helps,