2. Customers rave about Mattress Firm Poplar Avenue South's selection of adjustable beds, praising the knowledgeable and friendly staff who guide them to make informed decisions. The Love Your Mattress Guarantee, along with a 120-night free trial, ensures customers find the perfect mattress at a discount price. 6. Unique facts about Mattress Firm Poplar Avenue South include its comprehensive training program for Sleep Experts and its involvement in the Mattress Firm Foster Kids program through The Ticket to Dream Foundation. The company has been helping customers find the best mattress since 1990 and has over 2400 stores nationwide. 7. Mattress Firm Poplar Avenue South specializes in matching customers with the right mattress for their needs, offering top-quality comfort, choice, price, value, and support. The company emphasizes the importance of a good night's sleep and ensures customers leave satisfied with their purchase.