The bad news: Your pillows are teeming with everything from bacteria to dead skin to dust mites. The good news: Keeping them clean isn’t that hard. In addition to washing your pillowcases once a week and washing the pillows themselves on a monthly basis, buying antimicrobial zippered pillow protectors can help keep your bed free of any unwanted microscopic guests.

These zippered pillowcases are a godsend especially for those who suffer from allergies.