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Standard pillows leave a massive gap between your neck and the mattress, leading to stiff necks and aching shoulders. The Side Cube Original is a purpose-built, cube-shaped memory foam pillow that completely fills this 90° gap, guaranteeing neutral spine alignment so you wake up pain-free and refreshed.
What’s New? Same Premium Core, Better Value. We swapped our bulky quilted cover for a clean, breathable pillow scrim. This lightweight layer keeps our premium Aero Foam cool and supportive without trapping heat—allowing us to offer our legendary, life-changing foam core at our best price ever. Just add your favorite pillowcase for a personalized sleep setup!
Purpose-Built 90-Degree Shape: Expertly crafted to fill the exact gap between your shoulder and the bed, cradling your head and ensuring flawless spinal alignment all night long.
Premium Aero Foam Core: Experience the perfect balance of sturdy support and cloud-like, pressure-relieving comfort. The uniquely soft middle actively relieves ear pressure, eliminating morning cartilage aches.
Cool & Breathable Lightweight Scrim: Our new protective layer shields the foam core while maximizing airflow. No added bulk. No trapped heat. Just the cool side of the pillow, all night.
More Pillow, Better Value: Enjoy the exact same high-performance sleep technology of our flagship models, now at a fraction of the price.
The Side Cube Original comes in standard 5" height that fits most adults. If you sometimes sleep on your back, consider a different model or the Combo Cube for mixed sleepers.
Standard pillows leave a massive gap between your neck and the mattress, leading to stiff necks and aching shoulders. The Side Cube Original is a purpose-built, cube-shaped memory foam pillow that completely fills this 90° gap, guaranteeing neutral spine alignment so you wake up pain-free and refreshed.
What’s New? Same Premium Core, Better Value. We swapped our bulky quilted cover for a clean, breathable pillow scrim. This lightweight layer keeps our premium Aero Foam cool and supportive without trapping heat—allowing us to offer our legendary, life-changing foam core at our best price ever. Just add your favorite pillowcase for a personalized sleep setup!
Purpose-Built 90-Degree Shape: Expertly crafted to fill the exact gap between your shoulder and the bed, cradling your head and ensuring flawless spinal alignment all night long.
Premium Aero Foam Core: Experience the perfect balance of sturdy support and cloud-like, pressure-relieving comfort. The uniquely soft middle actively relieves ear pressure, eliminating morning cartilage aches.
Cool & Breathable Lightweight Scrim: Our new protective layer shields the foam core while maximizing airflow. No added bulk. No trapped heat. Just the cool side of the pillow, all night.
More Pillow, Better Value: Enjoy the exact same high-performance sleep technology of our flagship models, now at a fraction of the price.
The Side Cube Original comes in standard 5" height that fits most adults. If you sometimes sleep on your back, consider a different model or the Combo Cube for mixed sleepers.
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| Dimensions | 12" W × 24" L × 5" H Standard 5" height perfectly fits most adults |
|---|---|
| Weight | Approx. 2.5 lbs. |
| Target Audience | 100% dedicated side sleepers. (Note: If you occasionally sleep on your back, check out our Combo Cube.) |
| Setup & Expansion | Ships efficiently compressed. Simply unbox and allow 24–48 hours for the foam to fully expand. |
| Care Instructions | Spot clean only. Do not wash the memory foam core. Pair with your favorite standard-sized pillowcase. |
Having troubles deciding on what product is best for you? Call us at 877-815-7300.
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The Heartstrong Sleep community shared their feedback on how this product improved their sleep quality. More importantly, helped them Get Better Sleep.
Typically, you should replace your CPAP supplies every 3 to 6 months. However, things like CPAP cushions should be replaced very 14-30 days. Most resupply orders include multiple cushions.
Resupply orders include: a new mask, tube, water chamber, filters and cushions.
The heated humidifier my help reduce dryness. Also, if you are using a nasal mask, you may want to consider using mouth tape.
All masks have exhalation ports to release air. Some air escaping is normal. However, excessive air or air blowing in your eyes is not. Contact us for help with mask fit or finding a different mask.
Change your disposable (white) filter every 2 weeks, or more often if needed for air quality.
When left untreated, sleep apnea can cause serious health problems. The good news is that it’s treatable. Complete this assessment to see if you may be at risk.
