How to Choose a Pillow (And Why the Right One Matters)

Choose a pillow based on your sleep position: side sleepers need firm pillows, back sleepers need medium-firm, and stomach sleepers need soft, thin ones. Material and firmness are also important fo...

What Is a Sham? Let’s End the Confusion

Updated Aug 7, 2025 If you’ve ever asked yourself, “What is a sham?” you’re in the right place. Often referred to interchangeably as a sham, pillow sham, or bed sham, these pillow covers turn tradi...

Under the Covers with Russell Jelinek, Senior Director of Engineering

When you think of an “engineer,” you probably think of someone behind a computer or wearing a hard hat. At Casper, there’s also such a thing as a mattress engineer. These types are the dreamiest of...

How to Fix a Squeaky Bed: 9 Tips

Updated March 5, 2026 There are few things more frustrating than the sound of an unidentifiable squeak every time you move around in bed. Like the persistent ticking of a slightly-too-loud clock, t...

How Many Pillows Should You Sleep With?

Updated October 5, 2025 Most sleep experts recommend sleeping with one pillow under your head. Proper spinal alignment and, ultimately, your personal preference matter the most. There are two type...

How Often Should You Replace Pillows?

Updated October 5, 2025 Life can be hectic. From work to social life and everything in between, your pillow may be the last thing on your mind when responsibilities take over. But your bed pillows ...