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The internet's favorite mattress brand is having a huge sale right now

Get 10% off with the code "NUMBERONE."

Casper is having a discount on all their mattresses right now Credit: Casper

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Casper, the oh-so-popular mattress company you’ve been hearing about on podcasts and subway ads, officially turned four years old. Happy birthday, Casper!

To celebrate, they’re offering 10% off all their mattresses when you use the code “NUMBERONE.” Typically, these mattresses go for around $1,000, depending on the size, so $100 is a decent chunk off an incredible upgrade to your bedroom.

Our Editor-In-Chief recently switched to a Casper mattress and absolutely loves it. These mattresses are known for their immense comfort and support, are easy to set up, and are free of ozone-depleting chemicals. Plus, there’s a 100-day risk-free trial that lets you send back the mattress if you really don’t like it.

Casper has three different models to choose from depending on your price point and level of comfort: the Wave, the Essential, and the original Casper—their most popular model. This deal ends today, so if you’ve been thinking of upgrading that old mattress you’ve had since college, especially if you've just gotten your tax refund and want to invest it in something worthwhile, now may be the time to do so.

Don't forget to use the code “NUMBERONE” to get these savings

Prices are accurate at the time this article was published, but may change over time.