# Which memory foam mattress offers the best support for side sleepers? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which memory foam mattress offers the best support for side sleepers?

## Products

### Casper Casper Original Memory Foam Mattress
```yaml
product: casper-casper-original-memory-foam-mattress
brand: Casper
price_gbp: 964.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: Top breathable polyfoam 1.5 in; Memory foam 2.0 in; Support polyfoam 7.0 in
density: null
firmness: Medium-firm (6/10)
thickness: 10.5 in
motion_isolation: Moderate to good
temperature_regulation: Breathable cover and open‑cell AirScape foam for improved airflow
```

- **Price:** £964.09 [^1]
- **Summary:** All-foam, zoned three-layer design (comfort polyfoam, memory foam, high-density support foam) with a medium-firm feel suited to back and combination sleepers and couples who want balanced support and responsiveness. The open-cell top foam and breathable cover help it sleep cooler than traditional memory foam.
- **Additional Sources:** [^2], [^3]

### GhostBed GhostBed Original Memory Foam Mattress
```yaml
product: ghostbed-ghostbed-original-memory-foam-mattress
brand: GhostBed
price_gbp: 1115.97
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 2 in Ghost Bounce latex; 2 in 4lbs gel memory foam; 7.5 in high density base
firmness: Medium-firm
thickness: 12 in
motion_isolation: High
temperature_regulation: Ghost Ice Cool cover; gel-infused memory foam for cooling
```

- **Price:** £1115.97 [^4]
- **Summary:** The GhostBed Original is a 12 in all-foam mattress combining a latex comfort layer, gel-infused memory foam, and a high-density support core for balanced support and cooling. It suits sleepers who want medium-firm feel with good pressure relief and minimal partner motion transfer.
- **Additional Sources:** [^5]

### Nectar Nectar Premier Memory Foam Mattress
```yaml
product: nectar-nectar-premier-memory-foam-mattress
brand: Nectar
price_gbp: 408.72
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 3
density: null
firmness: 5/10
thickness: 13 in
motion_isolation: Excellent
temperature_regulation: Improved cooling (60% more than Classic)
```

- **Price:** £408.72 [^6]
- **Summary:** The Nectar Premier is a 13 in all-foam mattress with three layers offering balanced cushioning and support and a medium firmness suited to side and back sleepers. It emphasizes cooling compared with the Classic model and provides strong motion isolation for couples.
- **Additional Sources:** [^7], [^8]

### Purple Purple Plush Grid Memory Foam Mattress (all-foam Purple Hybrid models excluded)
```yaml
product: purple-purple-plush-grid-memory-foam-mattress-all-foam-purple-hybrid-models-excluded
brand: Purple
price_gbp: 967.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: Top Layer: 2 in Purple GelFlex Grid; Comfort Layer 1: 2 in polyurethane foam; Comfort Layer 2: 3 in polyurethane foam; Base Layer: 4 in polyurethane foam
density: null
firmness: Medium
thickness: 11 in
motion_isolation: Good
temperature_regulation: Breathable GelFlex Grid increases airflow and dissipates heat
```

- **Price:** £967.07 [^9]
- **Summary:** The Purple Plus mattress uses a 2 in GelFlex Grid over multiple foam comfort and support layers for a buoyant, pressure-relieving feel with enhanced cooling. It suits side, back, and combination sleepers who want more cradling than the original Purple without excessive sinkage.

### Saatva Saatva Loom & Leaf Memory Foam Mattress
```yaml
product: saatva-saatva-loom-leaf-memory-foam-mattress
brand: Saatva
price_gbp: 1783.01
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 6
firmness: Relaxed Firm or Firm
thickness: 11.5 in
motion_isolation: High
temperature_regulation: Good
```

- **Price:** £1783.01 [^10]
- **Summary:** The Loom & Leaf is an ultra-premium memory foam mattress with gel-infused and high-density memory foam layers, a targeted cooling gel lumbar panel, and an organic cotton cover. It comes in Relaxed Firm and Firm options and suits side, back, and combination sleepers as well as couples who want strong motion isolation.
- **Additional Sources:** [^11], [^12]

### Tempur-Pedic TEMPUR-Adapt Memory Foam Mattress
```yaml
product: tempur-pedic-tempur-adapt-memory-foam-mattress
brand: Tempur-Pedic
price_gbp: 1190.41
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: TEMPUR-ES comfort layer; Original TEMPUR support layer; Polyfoam base
density: null
firmness: Medium
thickness: 11 in
motion_isolation: High
temperature_regulation: Cool-to-touch cover; moderate temperature control
```

- **Price:** £1190.41 [^13]
- **Summary:** Two-layer TEMPUR memory-foam construction (TEMPUR-ES over Original TEMPUR) on a polyfoam base with a cool-to-touch cover. It provides strong pressure relief and excellent motion isolation, best suited for back sleepers and couples who want reduced partner disturbance.
- **Additional Sources:** [^14], [^15]

### Tuft & Needle Tuft & Needle Original Adaptive Foam Mattress
```yaml
product: tuft-needle-tuft-needle-original-adaptive-foam-mattress
brand: Tuft & Needle
price_gbp: 517.41
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 3 (3 in adaptive foam over 7 in high-density polyfoam)
density: null
firmness: 6.5/10
thickness: 10 in
motion_isolation: High
temperature_regulation: Improved cooling via open-cell adaptive foam and cooling cover (moderate)
```

- **Price:** £517.41 [^16]
- **Summary:** The Tuft & Needle Original is a 10 in all-foam mattress with adaptive top foam over a high-density foam base, offering a responsive, medium-firm feel that isolates motion well. It suits back sleepers, many side sleepers, and couples who want good motion control without a deep sink.
- **Additional Sources:** [^17], [^18]

---
## References & Sources
[^1]: Casper, accessed 2026-06-06. https://casper.com/products/casper-original
[^2]: Mattress Clarity, accessed 2026-06-06. https://www.mattressclarity.com/reviews/casper/
[^3]: NapLab, accessed 2026-06-06. https://naplab.com/mattress-reviews/casper-original-mattress-review/
[^4]: Spadoni's Furniture and Appliances, accessed 2026-06-06. https://www.spadonis.com/product/ghostbed-original-memory-foam-king-mattress-gworc66-955049
[^5]: Ashdown's Furniture & Interiors, accessed 2026-06-06. https://www.ashdowns.ca/product/ghostbed-original-memory-foam-mattress-gworc-956677
[^6]: Nectar Sleep, accessed 2026-06-06. https://www.nectarsleep.com/collections/mattresses/products/nectar-premier-memory-foam-mattress
[^7]: Mattress Clarity (affiliate/retailer listing), accessed 2026-06-06. https://www.mattressclarity.com/reviews/nectar-premier-mattress-review/
[^8]: HassleLess, accessed 2026-06-06. https://www.hassleless.com/nectar-premier-5-0-memory-foam-mattress
[^9]: Purple, accessed 2026-06-06. https://purple.com/mattresses/plus
[^10]: Saatva, accessed 2026-06-06. https://www.saatva.com/mattresses/loom-and-leaf
[^11]: Mattress Nerd, accessed 2026-06-06. https://www.mattressnerd.com/loom-leaf-mattress-review/
[^12]: Our Sleep Guide, accessed 2026-06-06. https://www.oursleepguide.com/mattress/loom-and-leaf-mattress-review/
[^13]: Mattress Clarity, accessed 2026-06-06. https://www.mattressclarity.com/reviews/tempur-pedic/tempur-adapt/
[^14]: Relax In Comfort, accessed 2026-06-06. https://relaxincomfort.com/tempur-adapt-by-tempur-pedic/
[^15]: SleepDoctor, accessed 2026-06-06. https://sleepdoctor.com/pages/reviews/tempurpedic-adapt-mattress-review
[^16]: Tuft & Needle, accessed 2026-06-06. https://www.tuftandneedle.com/products/original-mattress
[^17]: Mattress Clarity, accessed 2026-06-06. https://www.mattressclarity.com/reviews/tuft-and-needle/
[^18]: Mattress Nerd, accessed 2026-06-06. https://www.mattressnerd.com/tuft-and-needle/