Mattress King offers a diverse range of mattresses to cater to every budget with a 100-night trial period for customers. Their extensive collection includes various bed sizes such as King, Queen, Full, Twin, and Split King, ensuring a comfortable night's sleep for all preferences. In addition to mattresses, Mattress King also provides adjustable bases, pillows, bedding, and bed frames to enhance the overall sleeping experience. Customers can choose from a selection of top-selling products like the CarbonCool Pillow and Premium Tencel Cooling Sheets, designed to promote better sleep quality.
Current promotions at Mattress King include discounts on pillows, adjustable bases, and sheets, with savings up to 27% off.
- 20% Off Best Seller CarbonCool PillowExpires: OngoingAvailable in Shoulder size, starting at $129.95
- 27% Off Best Seller CarbonCool™ Pillow | ShoulderExpires: OngoingStarting at $129.95
- 19% Off Ice Gel Pillow | ShoulderExpires: OngoingStarting at $119.95
- 20% Off Harmony Classic PillowExpires: OngoingStarting at $39.95
- 2% Off Best Seller Adjustable Base | 3.0 PlusExpires: OngoingStarting at $1,000.00, now $1,029.00
- 10% Off Best Seller Adjustable Base | 2.0 BasicExpires: OngoingStarting at $700.00, now $779.00
- 2% Off Best Seller Adjustable Base | 3.0 PlusExpires: OngoingStarting at $1,000.00, now $1,029.00
- 10% Off Best Seller Adjustable Base | 2.0 BasicExpires: OngoingStarting at $700.00, now $779.00
- 20% Off Best Seller Soft Washed Microfiber SheetsExpires: OngoingStarting at $44.95
- 27% Off Best Seller CarbonCool™ Pillow | ShoulderExpires: OngoingStarting at $129.95
- 100-Night Comfort Trial
- Free One-Day Delivery
- 1,500+ Five Star Reviews
- 17+ Years, 50K+ Happy Sleepers
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Last updated Aug 27, 2026
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