Hours Of Operations Sleepy's the Mattress Pros New York Wainscott 11975 Sleepy's the Mattress Pros Hours of Operation and Location in Wainscott, NY 11975 4.3 - 34 votes 328 Montauk Hwy, Wainscott, NY 11975 (631) 537-1943 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 WainscottView More Apparel ExpressDeb Recommend For You Sleepy's A & A Locksmith Sunbelt Rentals Super Runners Shop Superfresh TJ Maxx Bargain Shop Herbalife Aldo Banfield Pet Hospital