Hours Of Operations Sleepy's the Mattress Pros New York Riverhead 11901 Sleepy's the Mattress Pros Hours of Operation and Location in Riverhead, NY 11901 4.5 - 57 votes 1440 Old Country Rd, #600, Riverhead, NY 11901 (631) 369-4297 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 RiverheadView More Apparel TJ MaxxColdwater CreekKmartBig LotsH & M Sports TargetSports AuthorityNikeDick's Sporting GoodsSkechers Jewelry Saks Fifth AvenueKay JewelersChico'sClaire's OutletAnn Taylor Outlet Recommend For You TJ Maxx Aldo Hanes Sleepy's Carter's Factory Brand Shoes El Toro Market Benetton Sunglass World Movado CO Store