Kingsdown - Sleep, made smarter.

Sleep Smart Air

Intelligent sleep at your command.


Introducing Sleep Smart® Air by Kingsdown, the first mattress with IntelliMax™ technology, a system of brilliant features that work together to provide consistently smarter sleep. These unique features allow you to enjoy personalized support that’s adjustable, so your mattress can change as your needs change. Unlike other adjustable mattresses, Sleep Smart mattresses feature three support zones on each side of the mattress with independently controlled lumbar support. Sleep Smart is also the only adjustable mattress that provides a support system based on proven science, taking guesswork out of the support equation. With a specialized power base, a custom app that controls all support zones and the power base, and performance fabric that prevents heat buildup, the IntelliMax Technology system gives Sleep Smart mattresses best-in-class features. Experience the mattress designed specifically to give you all the benefits of smarter sleep.

The IntelliMax Technology System

Sleep Smart Air Controller

IntelliMax Controller

The command center of the mattress, allows you to customize 3 support zones on each side of the mattress to the level recommended by our patented diagnostic system. No other adjustable mattress features a support system based on proven science, taking guesswork out of the support equation.

Sleep Smart Air Lumbar Support Zones

IntelliMax Lumbar Support Zone

Designed for independent control so you can customize your core support for maximum personalization.

Sleep Smart Air Performance Fabric

IntelliMax Performance Fabric

Advanced fabric regulates temperature, wicking away moisture and heat to keep the mattress coolly comfortable while you sleep.

Sleep Smart Air Mobile App

IntelliMax Mobile App

Controls both the mattress and power base, so you can adjust and save support settings for both sides of the bed conveniently from one device.

Innovative Features

Scientifically-recommended support powered by patented technology and backed by data from over 12 million body profiles
Three support zones on each side of the mattress so two sleepers can enjoy individualized support
Lumbar support zone is independently controlled for customized core support
Bluetooth® enabled custom app allows personalized management of support settings and adjustable base settings
Performance fabric features advanced thermic technology to dissipate heat and wick away moisture for a more comfortable sleep environment
Dual controls with independent user-controlled support settings
Individually-wrapped innerspring coils provide enhanced support and decrease motion transfer
Ventilated edge support system crafted from high-density foam provides a complete edge-to-edge sleeping surface with superior edge support on all sides while Airflow channels increase air circulation
Adjustable base compatible

10-year Sleep System Warranty

Download Warranty Info

5-year Electronics Warranty

Download Warranty Info


Why Kingsdown?

The Kingsdown name carries with it more than 100 years of quality and ingenuity, and our highly-skilled craftsmen are proud to embroider it on each sleep set they construct.

Learn more