Hours Of Operations Sleepy's the Mattress Pros Pennsylvania Downingtown Sleepy's the Mattress Pros Hours of Operation and Locations in Downingtown, PA 4.6 - 138 votes 1 Locations in Downingtown sleepys.com Sleepy's the Mattress Pros Hours Category: Home & Garden Sleepy's the Mattress Pros - Downingtown, PA 19335 889 E Lancaster Ave(610) 873-2435 View Store Details Explore DowningtownView More Apparel Stein MartCarter'sCatherinesAmerica's Best Contacts & EyeglassesRainbow Sports LA FitnessVansSkip's Pro ShopOrvis CompanyUnited Sports Jewelry Helzberg Diamonds Recommend For You Sunbelt Rentals Super Runners Shop Superfresh TJ Maxx Bargain Shop Bedding Experts Trek Bicycle Store Herbalife Aldo Banfield Pet Hospital