Leesa Sapira Hybrid vs Amerisleep AS4

The AS4 is our medium-soft mattress. It offers plush comfort with targeted support that helps you sleep your best. Plus it stays cool all night, making it our most popular model with side sleepers.

Formerly known as the Sapira Hybrid, the Leesa Hybrid is a 5-Layer Construction:

• 1.5" Cooling Premium Foam Top Layer (IFD: 20. DENSITY: 3.65 PCF)
• 1.5" Contouring Memory Foam (IFD: 9. DENSITY: 4 PCF)
• 1" Core Support Foam Base (IFD: 32. DENSITY: 1.8 PCF)
• 6" Quantum core pocket coil system (14.5 gauge)
• 1" Core Support Foam Base (IFD: 32. DENSITY: 1.8 PCF)
• Seamless Iconic Four-stripe Cover.

Three layer construction:

• Bio-Pur® foam
• HIVE® transition layer
• Bio-Core® foam support layer
• Refresh Cooling Cover.

The Leesa Hybrid mattress combines Leesa's premium cooling and pressure-relieving foams with an advanced pocket spring system that actively responds to your body's pressure points throughout the night. As your body presses into the mattress, Leesa Hybrid's individually-wrapped coils gently push back, providing unparalleled support, edge to edge.

Traditional memory foam is made from dense material, so it traps your body heat and can make you sweaty and uncomfortable while you're in bed - and who can sleep like that?
We developed our foam with an enhanced "open cell structure", which means there is more air space between the foam particles. That space wicks away heat while you sleep, and can keep you cooler and more comfortable.

The Secret is in the Springs
Our pocket-springs were created after many hours of prototyping to find the perfect gauge wire that gives superior edge support. Once perfected, the coils are encased and placed between layers of foam for the perfect fusion of pocket springs and high performance foam.

Our Bio-Core® foam support layer won't sag even after decades of use. And, like our Bio-Pur® foam, it's partially made from plants instead of petroleum so it's eco-friendly.
The HIVE® layer features hundreds of foam hexagons grouped into five comfort zones. Each zone is designed to provide extra cushion where you want it and support where you need it. That way your body gets the support it needs to stay properly aligned, so you can sleep your best.

Cooling Premium Foam
The 1.5" top layer is a high performance 3.75 lb high density foam. This performance layer does not retain heat, is hole-punched to allow airflow cooling, and provides enough bounce for freedom of movement.

The HIVE® transition layer has precision-cut channels that carry away even more heat and moisture. It's enough to make you feel like you're weightlessly resting on a cloud.
Amerisleep's Bio-Pur® material features an advanced-open cell design. This makes Bio-Pur® more breathable and responsive than memory foam, which will keep you cool and comfortable all night. Plus we make Bio-Pur® from partially plant-based sources using a zero-emission process. That means it's the most eco-friendly material of its kind.

Pressure-relieving Memory Foam
The 1.5" memory foam layer delivers the body contouring and pressure relief you've come to expect from memory foam.
Supportive Springs
Premium grade steel springs nestled between two layers of 1" stabilizing foam provide a unique core support layer.

Bio-Pur® contours to your body to relieve pressure points and bounces back fast, so you won't feel "stuck" during the night.
Our HIVE® transition layer provides targeted support and pressure relief so you can sleep in perfect alignment. It gives your head, back, and legs more support, and your shoulders and hips more cushion.

A single knitted length of fabric (made in the USA) is beautifully tailored to hug the mattress and your body. Subtle quilting and our signature "patterns" of life stripes add to the elegance and comfort.

Refresh Cooling Cover
The Refresh Cover draws heat from your skin for a delightfully cool-to-the-touch feel. On average, your sleeping surface will stay 7 degrees cooler over an eight-hour night of rest compared to a traditional 100% polyester cover. This scientifically engineered fabric uses minerals to help convert your natural body heat into far infrared energy. This type of energy increases blood circulation to help speed up muscle recovery and improve quality of sleep.

Once an order is placed, we need 1-5 business days to build and compress your Leesa Hybrid before boxing and shipping it directly to you. UPS in-transit times vary from 1-5 business days depending on location.

We provide standard free curbside shipping to anywhere in the contiguous USA. Mattresses ship as quickly as 3-5 working days (excluding major holidays) via FedEx, once shipped, delivery takes approximately 1-5 business days.