How did Sleepy's become the Most Trusted Name in Mattresses? By ensuring our customers' comfort with our quality products, outstanding service, and understanding the importance of a great night's sleep. Since 1957 Sleepy's has the experience to have earned the name “The Only Mattress Professionals”. One of the Largest Mattress Retailers in the World with over 1,000 beautiful locations in Connecticut, Delaware, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New York, New Jersey, North Carolina, Pennsylvania, Rhode Island, Vermont, Virginia, and West Virginia, there's sure to be a Sleepy's in your neighborhood. Simply stated, when it comes to getting a great night's sleep, Sleepy's won't rest until you are 100% satisfied.