Sunday Mattress, also known as Sundayrest, is an eCommerce store that specializes in selling mattresses and pillows. They source their products from international brands and offer same-day delivery in Bengaluru and delivery within a week in other cities. Customers can enjoy a risk-free trial and receive a full cash refund if they are not satisfied. The company's flagship model, the LatexPlus mattress, has received high ratings and certifications. Sundayrest focuses on providing a superior sleep experience by considering health concerns and design aesthetics.