You don't have to get dressed up to work from home, tp. You don't even need pants or underwear on conference calls.
I explained that to my fiance the other day. She asked me to put some air in her tires.
Me: "That means I would have to put on pants..."
Her: "Even though you're working from home, you're still working and should wear pants."
Me: "... That would defeat the whole purpose of working from home."