
Tuft & Needle Tn9.1 King Mattress With Rtg-sleep 5900
Will It Fit?
SKU: 5400990P
Plush 1000-density individually wrapped coils with body-conforming Micro coil upgrade offer responsive pressure relief and Tuft & Needle's most premium bounce-back support.Foam-encased seating edge provides corner-to-corner edge support to eliminate sleep partner disturbances. The cool-to-the-touch cover and T&N AdaptiveCool gel foam technology is designed to help absorb heat for a cooler nights sleep. A Micro Diamond memory foam upgrade is designed to help transfer heat away from the body for a comfortable rest. Conveniently raise or lower the head of your mattress using the RTG Sleep 3900 adjustable base with wireless remote control.
Q&A answers generated with AI assistance.
Is this mattress a good choice for couples with different sleep schedules?
Yes, this mattress is designed to minimize sleep partner disturbances. The 1000-density coils are individually wrapped, meaning they move independently to isolate motion. Furthermore, the foam-encased seating edge provides superior corner-to-corner support, which maximizes the usable sleep surface and prevents that "roll-off" feeling when one partner moves near the edge of the bed.
How does this mattress perform for sleepers in warm, humid climates?
This mattress is specifically engineered for temperature regulation, making it an excellent choice for southern climates like Florida or Texas. It features a cool-to-the-touch cover combined with T&N AdaptiveCool gel foam technology designed to absorb excess body heat. Additionally, a Micro Diamond memory foam upgrade works to actively transfer heat away from the body, ensuring a comfortable, breathable sleep surface even on warm nights.
Will the mattress be damaged by frequent use of the adjustable base?
Not at all. This hybrid mattress is specifically constructed to be compatible with adjustable frames. The individually wrapped coil system is flexible enough to bend and contour with the RTG Sleep base as it moves, ensuring long-term durability and preventing the internal components from warping or breaking during adjustment.
How can the adjustable base improve my lifestyle and health?
The included RTG Sleep adjustable base allows you to customize your sleep position with a wireless remote. By raising the head of the mattress, you can find the perfect angle for reading or watching TV in bed. From a health perspective, elevating the head can help alleviate common issues such as snoring or acid reflux by opening the airways and using gravity to improve digestion and circulation.
What are the benefits of the hybrid design and micro coil upgrade?
This hybrid mattress offers the "best of both worlds" by combining 1000-density individually wrapped coils with a premium micro coil upgrade. While the primary coil system provides deep-down support and "bounce-back" responsiveness, the micro coils offer localized pressure relief that conforms to your body's specific shape. This multi-layered coil approach ensures the mattress remains durable and supportive without sacrificing the plush comfort of traditional foam.
How do I best maintain the cooling cover and mattress surface?
To preserve the integrity of the cooling technology and the Micro Diamond memory foam, we recommend using a high-quality, breathable mattress protector. This shield prevents oils and moisture from reaching the specialty foams. For general care, our expertise suggests regular vacuuming of the surface with an upholstery attachment and rotating the mattress (head to foot) every 3-6 months to ensure even wear across the coil systems.
80"l x 76"w x 15.50"h; adjustable base 6"h














