How do you motivate yourself to clean and do errands when you are currently in a lazy and unproductive phase?

Have you ever been through a stage where you just didn't want to do anything but sleep, watch tv, and spend countless hours behind your computer? I don't think I'm depressed. I used to really love cleaning. I shower and everything. But I'm just going through some kind of funk that I need to get out of. The apartment is messy and I haven't cooked in months. HELP!?! If you ever been through a stage or phase similar to the one I'm in, how did YOU get out of it?! What motivates you?!