Additional Information

Whether you’re settling into an afternoon of watching TV or a morning of working on your laptop, the G.S. Stearns Reflexion X4 Adjustable Base works in harmony with your mattress to let you do more of what you love in the most comfortable position. By seamlessly integrating with your mattress, this adjustable base creates the ideal environment that’s perfect for relaxing. When you’re ready for bed, simply click the “Return to Flat” button on the wireless remote and enjoy a restful night’s sleep.  

Main Features

  • Designed for seamless integration with Stearns & Foster Mattresses with Use of Magnetic Connection
  • Head and Foot Lift with Virtually Unlimited Ergonomic Positions
  • Two-Zone Massage with 3 Wave Modes
  • Wireless Remote Control with 3 Custom Preset Memory Positions and a "Return to Flat" Button
  • Split Design Available for Dual Comfort for Sleep Partners
  • Wood Furniture-Style Legs Included
  • Under-the-Bed LED Night Light


  • 1 Year Full, 3 Year Parts, 20-Year Frame Limited Warranty

Product Code SFG990


Our current delivery area includes the 48 contiguous United States.

If you live in DC, DE, MD, NJ, RI, the California Bay Area, and limited addresses in the following states - CT, FL, MA, ME, NH, NY, PA & VA please call 1(866)753-3797 for details), most items will be available for next day delivery. You will be able to schedule a date and a 4 hour time window for your delivery at the time of purchase. Delivery appointments are available Monday through Wednesday & Friday through Sunday during regular business hours. Sunday and Monday deliveries are not available in FL. Limited evening hours are available.

If you live in the Los Angeles, CA or Dallas, TX metropolitan areas, you will be offered a Preferred Delivery Day at the time of purchase. The 'Preferred Delivery Day' is based on the zip code of your order and an estimate of when our delivery team will be in your area. Actual delivery days may vary according to location. Our local delivery agent will call you to set up an exact delivery day and 4 hour time window. Delivery appointments are available Mon-Fri between 9AM & 6PM.

What To Expect From Your New Mattress

If you live in the 48 contiguous US states but outside the above areas, your order is estimated to be delivered within 2 to 3 weeks, remote areas may take longer. You will receive a call when your order has arrived at our delivery agent, approximately 10 days after placing your order. The delivery agent will set up a convenient delivery day and 4 hour time window. Delivery appointments are available, Mon-Fri between 9AM & 6PM, to all addresses that are road accessible. Cancellations of orders in transit in these areas involve a restocking fee of 20% of the retail price of the merchandise, plus local delivery charge.

Please note: The Sleepy’s Comfort Exchange Program is only available in the following states: DC, DE, MD, NJ, RI, the California Bay Area, and limited addresses in the following states - CT, FL, MA, ME, NH, NY, PA & VA (please call 1(866)753-3797 for details).

Ferry service may be required for delivery to select locations. Additional fee will apply - may vary by location. Please call 1-866-SLEEPYS for more information. 

A person over 18 must be present to accept any mattress or furniture delivery.

Some items are shipped via UPS. These items will arrive separately in approximately five (5) to nine (9) business days (Monday through Friday, not including holidays).