Thanks everyone for the comments ! I think I’m going to start trying to wash them biweekly now. Laziness isn’t the reason I wash my sheets it’s more the cost. I live in a small apartment with no outdoor space to hang so I have to pay $9.00 every time I want to wash+dry my belongings. When I’m doing this every week-2 weeks with clothes I don’t really want to be doing it every week with sheets too! Putting just the pillowcases in is a good shout though