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

> All specification data verified from official manufacturer documentation.

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

## Products

### Tempur-Pedic TEMPUR-ProAdapt® Medium Firm Mattress
```yaml
product: tempur-pedic-tempur-proadapt-medium-firm-mattress
brand: Tempur-Pedic
price_gbp: 1532.27
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
firmness: Medium-Firm
thickness: 12in
motion_isolation: Motion isolation/motion cancellation to minimize disruptions from partners, pets, or kids
cooling_technology: SmartClimate® cover and ventilated TEMPUR-Material™
```

- **Price:** £1532.27 [^1]
- **Summary:** The TEMPUR-ProAdapt® Medium Firm mattress is a 12in TEMPUR memory-foam mattress designed for body-conforming pressure relief and supportive alignment. It uses SmartClimate® for cool-to-the-touch comfort and ventilated TEMPUR-Material™ for added airflow. It is intended to reduce motion disruptions so movements from a partner are less likely to be felt.
- **Ideal For:** For side sleepers needing supportive cradling, the TEMPUR-ProAdapt® Medium Firm feel combines supportive all-foam TEMPUR contouring with SmartClimate® cooling and motion isolation to help keep shoulders and hips supported without partner movement disrupting rest.
- **Additional Sources:** [^2], [^3]

### Nectar Nectar Premier 5.1 Memory Foam Mattress
```yaml
product: nectar-nectar-premier-5-1-memory-foam-mattress
brand: Nectar
price_gbp: 414.54
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
density: 2.0 PCF
firmness: 6 out of 10
thickness: 13 in
motion_isolation: moderate motion transfer
cooling_technology: ActiveCool phase-change transition
memory_foam_layers: 2.0 memory foam, 3.0 poly foam, 7.5 support foam
```

- **Price:** £414.54 [^4]
- **Summary:** The Nectar Premier 5.1 is a 13 in all-foam memory foam mattress with a medium (6 out of 10) feel designed to provide pressure relief while maintaining stable support. It's built for better temperature regulation using an ActiveCool phase-change transition layer plus a breathable cooling cover. It suits side sleepers and other sleepers who want deep contouring from memory foam and more limited heat retention.
- **Ideal For:** For side sleepers wanting gel-style cooling with support, the Premier's ActiveCool phase-change transition plus its 2.0 in memory foam comfort layer and 7.5 in support foam help the shoulder and hip sink and contour while keeping the sleep surface cooler.
- **Additional Sources:** [^5], [^6]

---
## References & Sources
[^1]: Mattress Firm, accessed 2026-06-23. https://www.mattressfirm.com/tempur-proadapt-20-12-medium-hybrid-mattress/5637491100.p
[^2]: Sleep Outfitters, accessed 2026-06-23. https://sleepoutfitters.com/products/tempur-proadapt-firm-mattress
[^3]: Sleepworld, accessed 2026-06-23. https://www.sleepworld.com/tempur-pedic-proadapt--firm-mattress-12in/TEM-PRO-3XM-FM-24.html
[^4]: Nectar Sleep, accessed 2026-06-23. https://www.nectarsleep.com/mattresses/premier-memory-foam-mattress
[^5]: Mattress Overstock, accessed 2026-06-23. https://mattressoverstock.us/products/nectar-premier-mattress
[^6]: Simply Sleep Better, accessed 2026-06-23. https://www.simplysleepbetter.com/product/nectar-premier-51-13-memory-foam-medium-firm-tight-top-queen-mattress-in-a-box-m12631-1629987