Sleep Number vs Tempur-Pedic: which mattress should you buy?

By The FindMattress team · Updated Oct 8, 2026 · How we pick

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The short answer

Sleep Number vs Tempurpedic is really a question of adjustability vs pressure relief. Choose Sleep Number if you and your partner disagree on firmness: the c2 lets each side pick its own setting, adds sleep tracking, and costs less at about $1,299 for a queen. Choose Tempur-Pedic if you want the deepest pressure relief and the stillest bed for one shared feel, and you don't sleep hot. For most solo side sleepers with sore shoulders or hips, the TEMPUR-Adapt is the better mattress; for mismatched couples, Sleep Number wins.

Key differences at a glance

Tempur-Pedic TEMPUR-Adapt is firmer (7.5 vs 5.5/10). Sleep Number c2 will feel more cushioned at the shoulders and hips; Tempur-Pedic TEMPUR-Adapt keeps hips more level for back and stomach sleeping.
Different constructions: Sleep Number c2 is adjustable air, Tempur-Pedic TEMPUR-Adapt is memory foam. Expect the foam bed to feel more “in” the mattress and the other to feel more “on top”.
Sleep Number c2 costs about $600 less for a queen at typical prices ($1,299 vs $1,899).
Tempur-Pedic TEMPUR-Adapt is clearly better for pressure relief (5/5 vs 3/5).
Trial: Sleep Number c2 gives 100 nights; Tempur-Pedic TEMPUR-Adapt gives 90 nights.
Warranty: 15 years vs 10 years.

Firmness compared

Sleep Number c2

Soft5.5/10 · Medium (est.)Firm

Tempur-Pedic TEMPUR-Adapt

Soft7.5/10 · FirmFirm

Performance head to head

Sleep Number c2Tempur-Pedic TEMPUR-Adapt

Pressure relief
3 vs 5

Cooling
3 vs 2

Motion isolation
4 vs 5

Edge support
4 vs 4

Bounce
2 vs 2

Specs side by side

Spec	Sleep Number c2	Tempur-Pedic TEMPUR-Adapt
Type	Adjustable air	Memory foam
Firmness	5.5/10 (Medium)	7.5/10 (Firm)
Queen price (approx.)	$1,299	$1,899
Height	8″	11″
Sleep trial	100 nights	90 nights
Warranty	15 years	10 years
Pressure relief	3/5	5/5
Cooling	3/5	2/5
Motion isolation	4/5	5/5
Edge support	4/5	4/5
Price check	See today’s price	See today’s price

Prices are approximate queen prices when we last checked and change often. Ratings are 1–5 from published specs and independent test results — see how we score.

How they feel: air chambers vs TEMPUR-Material

These two beds feel nothing alike. The Sleep Number c2 is an air bed: a 2-inch comfort layer and ceramic-gel layer sit over adjustable air chambers, so the firmness is whatever you dial in on a 0 to 100 scale. Because the comfort layer is thin, you mostly feel the air support underneath, which is even and flat rather than contouring.

The Tempur-Pedic TEMPUR-Adapt is dense, slow-responding memory foam. Tempur-Pedic calls it Medium, but independent testers rate it about 7.5 out of 10. You sink in slowly and the foam molds closely to shoulders and hips, which is why it earns top marks for pressure relief and motion isolation in our review-based ratings. The trade-off is heat: it scores just 2 out of 5 for cooling, the lowest on our site.

Who should pick each: couples, side sleepers and hot sleepers

Pick Sleep Number if your partner likes firm and you like soft, if your comfort needs change with injuries or seasons, or if you want built-in SleepIQ tracking. Skip it if you're a side sleeper who needs thick cushioning, or if you'd rather not have a pump and electronics in your bed.

Pick Tempur-Pedic if you sleep on your side or back with pressure-point pain, if a restless partner wakes you, or if you simply love the memory foam hug. Skip it if you sleep hot or change positions often, since dense foam is slow to rebound. Coil fans can look at the Adapt Medium Hybrid, which adds about 1,000 wrapped coils for more bounce and airflow at a higher price.

One honesty note: the newest c2 doesn't have a current independent review, so its performance ratings are estimates from an older model. Use the trial to judge it.

Value and policies: Tempurpedic vs Sleep Number cost

At about $1,299 for a queen, the c2 is the cheaper buy, though Sleep Number shows no regular discount. The TEMPUR-Adapt lists at about $2,199 and is often around $1,899 on sale. Sleep Number gives you a 100-night trial and a 15-year limited warranty; Tempur-Pedic offers 90 nights and 10 years. On policies, Sleep Number has the edge.

Still torn? Compare Saatva vs Sleep Number and Saatva vs Tempur-Pedic, read our Tempur-Pedic brand guide, or take the mattress quiz.

Frequently asked questions

Is Sleep Number better than Tempur-Pedic?

It depends on what you need. Sleep Number is better for couples who want different firmness on each side, and it's cheaper and has a longer warranty. Tempur-Pedic is better for pressure relief and motion isolation, especially for side sleepers. If you and your partner agree on firmness and don't sleep hot, the Tempur-Pedic is likely the more comfortable bed.

Which is better for back pain, Sleep Number or Tempurpedic?

Both list back pain among their best-fit uses in our data. Sleep Number lets you fine-tune firmness until your spine feels supported, which helps if you're not sure what you need. Tempur-Pedic offers deeper contouring for pressure points. Either way, a mattress isn't a treatment; see a doctor or physical therapist if pain persists.

Does Tempur-Pedic sleep hotter than Sleep Number?

By the specs, yes. The TEMPUR-Adapt scores 2 out of 5 for cooling in our review-based ratings, while the Sleep Number c2 scores an estimated 3 out of 5. Dense memory foam holds body heat, while an air chamber core doesn't. If heat is your main complaint, neither is the coolest option; look at a coil or latex hybrid.