I feel like the best thing to do is to take care of yourself and not be too hard on yourself. Sometimes a lack of motivation is an indicator that something else is wrong.
Ive noticed ever since I switched to 3rd shift its been hard to do any projects cause everyone is asleep and I dont want to wake anyone. And theres this couple living in my home until they can get on their feet has been bugging me that I dont want to leave my room. I have nothing wrong with them necessarily. Its the terrible smell of BO and this feeling that one of them is just too comfortable living in my house...
Ah I mean that makes total sense then. You might not have motivation until things improve and that's totally normal. I won't bog you down with advice but it's always good to set firm boundaries with guests/roommates. I would definitely feel the same way in your situation.