Don’t push yourself. Keep a trash can, a laundry basket/hamper, and extra clean pillowcases handy. Just try to keep on top of the clutter you create: dishes, tissues, dirty clothes, etc. And try to take a bath or shower. It’s a lot of effort, but almost always worth it.
Within easy reach of your bed, you should have:
Anything you use needs to be confined to those small areas. If you have enough energy for five minutes worth of exertion, consider putting the dirty clothes right into the washer and washing your dishes as soon as you’re done with them (to keep them from piling up and also to keep from recontaminating yourself).
Hope you’re feeling better soon!