Thanks to its high-end service and innovation, Sleep Number is the top name in adjustable air mattresses. This is evident in the i8 mattress , the top adjustable bed pick in our best mattress guide.

That said, it is $1,500 cheaper than Sleep Number’s next model up, the i10 smart bed, and a hefty $6,000 cheaper than the brand’s most expensive model, the Sleep Number Climate 360.

Given the affordability of sleep tracking wearables such as the $179.95 Fitbit Charge 5, I wouldn't necessarily buy a Sleep Number 360 Smart Bed just for its ability to monitor your shut eye.

The Sleep Number i8 Smart Bed has adjustable firmness levels that make it ideal for couples with varying sleep preferences or as comfort needs change. Business Insider Subscribe Newsletters ...

The Sleep Number c2 Bed matched the Sleep Number i8 bed Pillowtop, $3,000, in our tests for back and side support. Even better, we bought the Sleep Number c2 Bed on sale for $700.

Most devices tend to have one-year warranties, but Sleep Number offers a 15-year limited warranty on its smart beds, while the first year is covered by a full warranty.

The Sleep Number 360 i8 Smart Bed keeps your body cool thanks to its temperature-balancing sleep surface, while the FlexFit 3 base warms your feet with a built-in heater.