Hours Of Operations Sleepy's the Mattress Pros Delaware Dover 19901 Sleepy's the Mattress Pros Hours of Operation and Location in Dover, DE 19901 4.2 - 24 votes 283 N Dupont Hwy, #E, Dover, DE 19901 (302) 734-7735 Get Directions Sleepy's the Mattress Pros Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore DoverView More Apparel Sam's ClubTJ MaxxBig LotsCatoOllie's Bargain Outlet Sports Dick's Sporting GoodsColemanSnap FitnessLady Foot LockerZumiez Jewelry Sam's ClubCatoDeb ShopsZalesKohl's Outlet Recommend For You TJ Maxx Bargain Shop Herbalife Sleepy's Carter's El Toro Market Hanesbrands Incorporated Needful Things Second Chance Compusa