You can keep allergens low with dust mite pillow covers. Dust mites can make allergies and asthma brutal. Those are microscopic bugs that live off of dead skin. They love living in upholstery, rugs, curtains and bedding. You can vacuum and use HEPA filters to keep dust mites under control. They won’t really hurt you but for those will allergies they can aggravate symptoms.
It is important to wash your sheets regularly with really hot water. Also, invest in dust mite pillow covers and sheets. These products are specially made to have such small pores that dust mites cannot get into them. They can be found at many online stores and places like Bed, Bath and Beyond. I highly recommend getting ones with full zipper enclosures. You want to get the most protection possible especially if you have children who are sensitive to dust mites.
Even if no one in your home has a dust mite allergy, and there are tests that can determine if they do or not, you may still want to get these pillow covers. You will feel better and sleep better, too.