Side-by-side mattress testing · 144+ comparisons published
Quick Specs Comparison
Key Advantages
Why Choose Sleep Number ClimateCool
- Active cooling adjusts up to 15°F cooler per side
- 659 reviews with 4.7-star average — well-proven
- Integrated base included in the price
Why Choose Purple RejuvenatePlus
- 3 inches of GelFlex Grid — enough depth that side sleepers do not compress through to the transition layer
- Widest sleeper-position range in the Rejuvenate collection; genuinely works for side, back and combination
- DreamLayer top softens the grid's first impression while keeping airflow intact

