Here are some tips:
-Put on real clothes every day
-Go outside at least once a day to get fresh air and see other humans
-Don't work from your bed
-Make a work space that is separate from your living/fun space
-Make a hard line between "chill at home" time and "work at home" time
-"real clothes" means anything you didn't sleep in last night
-"separate work space" doesn't have to mean a whole different room. Just try to find a way to allow your brain to understand where relaxation happens