From A – Zzz: The Casper Mattress Comfort Dictionary

By Michael McCutcheon  |  May 3, 2017
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The surface you sleep on is important, but you don’t always think about what’s under the sheets. Casper’s award-winning engineering team is constantly testing, researching, and innovating to perfect the best night’s sleep possible.

So what exactly does it take to make an outrageously comfortable mattress? First, you have to think like a product engineer. Here’s their go-to guide to help you become your own mattress expert at home. Don’t forget to grab your notecards: 

Airflow. The top layer of foam in the Casper mattress is a specialty blend that keeps things breezy all night.

Bounce. Besides improving airflow, our top layer of foam has a little bounce. So you won’t sink or sag when you hit the hay.

Comfort. Based on numerous user tests, our team has come up with an objective comfort metric called ‘Ride,’ which is used to continually optimise our mattress’ comfort. 

Durability.  The higher the foam density, the longer it retains structural integrity. So it can keep its first night feel always.

Ergonomic. Memory foam is a much better material for improving the ergonomics of how we sleep. A key component of the Casper mattress is a visco memory foam.

Foam consistency. Molecular composition should stay consistent, so you’ll sleep comfortable no matter which side you choose.

Glass transition temperature. Materials like foam feel differently depending on the temperature, because they’re not solids. The glass transition temperature, Tg, is the temperature at which a foam transitions from a “glassy” state to a softer and rubbery one. 

Heat management.  The materials a mattress is made out of, and how it’s designed, can have a big impact on temperature. The Casper mattress is made to improve heat management and sleep cool throughout the night.

Indentation Load Deflection. The standard measurement of foam firmness in the industry. Our engineers put a foam sample in a test apparatus that presses down on the foam and measures the push back.

Jumping up and down. The soft bounce of the Casper mattress will help take your bed jumping to the next level.

Kitchen. The distance one is willing to go once you lay down on the Casper for the first time.

Laying around. It’ll take on a whole new meaning.

Motion isolation. The visco memory foam in the Casper mattress helps isolate the movement of a partner, dog, etc. in the bed. So your midnight snack will stay your secret. 

Never loses its feel. The Casper mattress was designed to sleep comfortable and supportive for years to come without developing any dips or sags.

Open-cell comfort layer. The top layer of the Casper was designed to conform to the body without causing overheating.

Quality. Continuously innovating and testing.

Ride. It’s based on a force-displacement profile that measures how the body experiences the different “layers” of a mattress.

Support factor. The higher the support factor, the more the foam pushes back on you as you push further into it. 

Transition layer. This layer offers support and comfort to those parts of your body that sink in most.

Under the covers. The feeling of getting into your Casper after a long day.

Visco memory foam. It reacts to body temperature and weight, conforming to the shape of your body. It was originally developed by NASA to counteract the extreme forces faced by astronauts. And it’s a key component in the Casper mattress.

Wiggle. (See: motion isolation.)

Zzz. Enough said.

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