#1
9/10
Firmness: 7.5/10
9.7
Support
8.9
Comfort
7.5
Firmness
$1995$2795
Updated May 2026
Best Mattresses for Back Sleepers
Back sleeping requires a mattress that supports the natural curve of your spine. These mattresses offer the ideal balance of support and comfort for back sleepers.
Key Lab Findings
- 38%
- Of adults primarily sleep on their back
- Source: National Sleep Foundation, 2024
- 6–7.5
- Optimal firmness range for back-sleeper spinal neutrality
- Source: Journal of Manipulative & Physiological Therapeutics, 2018
- 41%
- Reduction in morning stiffness with properly supportive mattress
- Source: Jacobson et al., Applied Ergonomics, 2010
- 9.5/10
- Top back-sleeper support score in Sleep Sage lab tests
- Source: Sleep Sage Encinitas lab, 2025
What Back Sleepers Need
Lumbar Support
Proper support for the lower back curve
Medium-firm (5-7 firmness)Spinal Alignment
Keeps spine neutral from neck to tailbone
Even weight distributionResponsive Surface
Easy to move and reposition during sleep
Not too much sink#2
9.6/10
Firmness: 6.5/10
9.7
Support
9.5
Comfort
6.5
Firmness
$899$1499
#3
Best for Back Sleepers
SFERRA Sonno Notte Luxury Firm
Ultra-luxury Italian craftsmanship meets American engineering
9.4/10
Firmness: 7/10
9.7
Support
9.3
Comfort
7
Firmness
$5462$5462
#4
9.2/10
Firmness: 6/10
9.6
Support
9.3
Comfort
6
Firmness
$1295$1995
#5
9/10
Firmness: 7/10
9.6
Support
8.9
Comfort
7
Firmness
$1499$1999
#6
9.5/10
Firmness: 6/10
9.5
Support
9.6
Comfort
6
Firmness
$1749$2332
#7
9.3/10
Firmness: 5/10
9.5
Support
9.5
Comfort
5
Firmness
$6999$7999
#8
9.2/10
Firmness: 7/10
9.5
Support
9
Comfort
7
Firmness
$3399$3999
Side-by-Side Picks
Back Sleeper Match-Ups Worth Comparing
Three of the brands above (Casper, Helix, Nectar) appear in our most-trafficked side-by-side comparisons. Lab data and 30-night verdicts on every page.
Best for hot sleepers on a budget
GhostBed vs Casper: 30-Night Lab Verdict
Two of the most-shopped beds-in-a-box go head to head — see why GhostBed sleeps 1.7°F cooler and costs $479 less, and where Casper still wins for side sleepers.
Read the GhostBed vs Casper comparisonBest for couples with mismatched preferences
Helix vs Purple: 30-Night Lab Verdict
Quiz-matched memory foam against the GelFlex Grid. Our 30-night lab test breaks down which one wins for couples, hot sleepers, and combination sleepers.
Read the Helix vs Purple comparisonBest online-vs-retail showdown
Nectar vs Serta: 30-Night Lab Verdict
Bed-in-a-box value vs. the 3,000-store retail giant. Nectar is $850 cheaper at Queen with a 365-night trial — but Serta runs 1.7°F cooler, rebounds 4× faster, and holds its edge. Lab data and our 30-night verdict inside.
Read the Nectar vs Serta comparison