mine get washed weekly - thanks to the housekeeper. the duvet cover is every two weeks or so - it's such a pain to put on/off that i don't do it as often ...
I hate clean fresh sheets. I like my bed lived in and I never sleep well if I've washed the bed linen so consequently I errrr ..... Try not to wash them too often sometimes my little doggy has muddy paws when he jumps on my bed so the quilt cover gets a little grubby so I just turn it over and make it last longer .... I know, I'm skanky
It's a Saturday thing around here, everyone's get done. My blanket gets done every other week. We have dust allergies around here, so weekly is pretty much a must.
We mostly just buy new pillows too. We have covers on them besides the pillow cases, and when they just get too smashed down or worn out, we buy new ones. It's not every three months, but we've mostly given up on washing them.
When they need it. When do they need it? My daughter washes her own sheets. My son's sheets are as often as needed (accidents will happen) and our sheets...well, what with a puppy in the house getting his backyard dirty paws up on the bed, at least once a week or so now.
We get new pillows every year as part of our Christmas gifts, haha. usually 2-3 per person and that lasts us the entire year...and we don't throw the old ones out until they get realllly bad, they get moved into the guest room or as floor pillows for game nights. Last count for 2 people we had 16 pillows in the house lol
I have a schedule for cleaning setup in Outlook. I'm actually doing laundry today but not sheets. I wash the bedding when I dust the bedroom, every 10 days. I detest folding sheets so I just wash them and put them back on the bed. We have down around feather pillows so they don't get washed or replaced very often.