iZone6 Adjustable Zones
Couples enjoy 3 personalized adjustment zones on each side.
Sleep Number2 Adjustable Zones
Firmness-focused adjustment on each side limits individual upper and lower body comfort.
The simple difference
iZone gives each sleeper their own comfort system.
Sleep Number focuses on changing how firm the bed feels. iZone goes further with personalized left-and-right adjustment, targeted comfort zones, cooling materials, and washable covers built for real nightly use.
- Independent sides for different sleepers
- Targeted head, lumbar, and foot zones
- Cooling comfort and washable cover benefits
iZone
Sleep Number
iZoneIndependent Lumbar Support
Independent side adjustment plus targeted comfort zones.
Sleep NumberFirmness focused
Best known for adjustable firmness.
LUMBAR SUPPORT
Separate lumbar relief
Fine-tune the area where many sleepers need support most.
iZone Dedicated lumbar support
The lumbar area adjusts separately from the head and foot zones.
Sleep NumberNo separate lumbar zone
No separate lumbar air adjustment.
SUPPORT SYSTEM
Zoned hybrid support
Air adjustability works with supportive foam, not by itself.
iZoneAir + foam support
Adjustable air chambers pair with high-density support foam for a more complete feel.
Sleep NumberAir-focused feel
Primarily built around adjustable air firmness.
COMFORT FEEL
Reversible plush/firm comfort
Choose the comfort feel that works best for your side.
iZoneMore comfort options
Reversible comfort foams let sleepers choose a plusher or firmer feel.
Sleep NumberStatic feel
No reversible plush/firm comfort foam system.
COOLER SLEEP
Cooling comfort materials
Better sleep is also about temperature, not just firmness.
iZoneCooling system
Cooling foams, Ice Lux™ covers, copper-infused fabric, and ventilation help manage heat.
Sleep NumberVaries by model
Cooling features depend on the model selected.
MOTION CONTROL
Less partner disturbance
Separate zones help reduce motion from one side to the other.
iZoneIndependent zones
Individual support zones help limit side-to-side motion transfer.
Sleep NumberConnected chambers
Air chambers are not separated into the same zone system.
EVERYDAY USE
Removable washable covers
A mattress should be easier to keep fresh over time.
iZoneZip off and wash
Covers can be removed and washed or dry cleaned.
Sleep NumberNot standard
Removable washable mattress covers are not a standard feature.
OWNERSHIP VALUE
More included benefits
The total value matters after the mattress arrives.
iZoneMore built in
Free shipping, 100-night sleep trial, and an optional free adjustable base add real value.
Sleep NumberAdd ons and extras
Delivery charges, trial period, and base offers that vary.
Need help comparing?
Talk it through with a real sleep expert.
Choosing between smart beds can get confusing fast. Our team will help you compare comfort, support, sizes, bases, and the features that matter most for how you and your partner actually sleep.
- Get help choosing the right iZone model
- Ask about firmness, lumbar support, cooling, and bases
- Compare total value before you buy
Call a sleep expert877-269-3987
8am - 4pm CST, Monday-Friday
No pressure. Just help finding the bed that fits both of you.