Wayfair's Way Day sale is underway, offering discounts of up to 80% off on various items, including mattresses and bedding. The sale appears to be limited in time, with some outlets indicating it will end tonight. Some shoppers, such as Wayfair Rewards members, may have early access to the deals, which include discounts on furniture, mattresses, and other home items, as well as specific product lines like Martha Stewart's home collection.