The term PERFECT DAY MAKER can be solved by the crossword solution SERTA, which is an acronym for the company Serta Mattress. Serta is a leading mattress manufacturer in the United States and is known for its high-quality products. The company has been in business since 1931 and is committed to providing customers with the perfect sleep experience. With its wide range of mattresses, Serta is the perfect day maker for anyone looking for a good night's rest.