# Sleep Number Adjustable Mattress Review: One Writer's 30-Day Joint Pain Test

An adjustable mattress promises personalized support, but does it deliver relief for achy joints? One Prevention writer put the Sleep Number bed through a month-long trial to find out.

The Sleep Number mattress features dual air chambers that let each sleeper adjust firmness independently, ranging from 0 to 100 on the brand's proprietary scale. The bed also tilts at the head and foot, mimicking features found in medical-grade adjustable beds. The theory behind this design is sound: customized support can reduce pressure points and improve spinal alignment, potentially easing joint discomfort overnight.

After 30 days, the writer found real benefits. The adjustable positioning relieved pressure on problem joints, particularly when sleeping on the side. The ability to elevate the head and feet separately addressed morning stiffness without requiring a permanent investment in a full adjustable frame. The SleepIQ app tracks sleep quality metrics and allows remote adjustments, adding a tech-forward layer to the experience.

The cons matter too. Sleep Number mattresses carry a premium price tag, starting around $1,500 for a queen. The air-chamber design produces noise when adjusting firmness settings. Some sleepers initially found the mattress too firm despite customization, requiring an adjustment period. The app, while useful, sometimes felt like overkill for buyers seeking basic comfort.

Who benefits most? Side sleepers with joint pain, couples with different firmness preferences, and people with conditions like arthritis or sciatica may find the investment worthwhile. Back sleepers might not notice as dramatic a difference. Budget-conscious shoppers should explore traditional adjustable beds or memory foam options first.

The verdict hinges on your specific pain points and budget. The Sleep Number bed works as advertised for