Dreamer's Digest: Size Guides

Explore expert tips, helpful guides, and inspiring ideas to make every night your best night—because better sleep starts here.

Editors Picks

Mattresses

How to Choose a Mattress: The Ultimate Buying Guide

If you’re in the market for a new mattress and are wondering how to pick the perfect mattress for you, Casper is here to help.

October 2021

Casper Editorial Team

Size Guides

Bed Frame Size Chart and Dimensions Guide

Bed frame dimensions vary based on size and style. The right bed frame depends on its dimensions, design, and the size of your sleep space. Alas, the best idioms come from board games, not bed fr...

June 2024

Casper Editorial Team

Sleep Health

Best (and Worst) Sleeping Position for Lower Back Pain

If you have lower back pain, certain sleeping positions are better than others. Sleeping on your side or back can help alleviate the tension and provide your spine with relief so you can get a good...

August 2024

Casper Editorial Team

Size Guides

Mattresses

Mattress Thickness Guide: What Thickness Is Right for You?

Updated Jan 19, 2026 Searching for the perfect mattress may make you feel like (a sleep-deprived) Goldilocks. You don’t want a mattress that’s too thin, which can strain your back and break down fa...

August 2022

Casper Editorial Team

Size Guides

Short Queen vs. Queen: What’s the Difference?

Choosing between a short queen vs. queen mattress can be the difference between restlessness and a night of good sleep, so it’s crucial to know what size mattress is going to be best for you. While...

August 2022

Casper Editorial Team

Size Guides

Full vs. Queen: Size and Comparison Guide

Updated April 25, 2026 Choosing the right bed isn’t just about what feels best—but also what fits best. And while the variations between mattress sizes might seem minuscule, the differences could h...

May 2022

Casper Editorial Team

Size Guides

Twin vs. Full: Mattress Size and Comparison Guide

Are you in the market for a new mattress, but unsure what size to get? If you’re stuck deciding between a twin vs. full mattress, use our guide to help find your perfect fit.

May 2022

Casper Editorial Team

An illustration of a large crown resting on a King or California king mattress with a wooden headboard, flanked by two matching nightstands.

Size Guides

King vs. California King: What’s the Difference?

Updated April 24, 2026 There are many misconceptions around King vs. California King mattress sizes. Many people believe that a California King is the largest mattress option on the market. However...

May 2022

Casper Editorial Team

Size Guides

Mattress Protector Size Chart & Guide

Updated Nov 21, 2025 Your mattress is an investment in good sleep—and the right mattress protector helps keep it that way. From guarding against spills to adding a breathable layer of comfort, a ...

March 2022

Casper Editorial Team

A man unboxes his Casper mattress on his bed frame.

What is Comp. Value?

Our Comparable Value prices reflect the price at which we or third parties have offered this item or a comparable item.

How does Casper create the best value products for their sleepers?

Everything must help sleep and must be tested.

Our team regularly searches the market and tests comparable mattress and sleep products to ensure that ours offer top-quality materials, the most value for your dollar, and the best sleep experience on the market.

Every Casper mattress is designed and assembled in the USA.

As part of the Carpenter Co family, Casper mattresses are manufactured by the largest foam manufacturer in the world—no middle man, no markups, just the best prices for our sleepers.

We don’t rely on gimmicks—just 12+ years of expertise.

With 12+ years in the mattress and bedding industry, the Casper team knows what makes a great night’s rest and what’s just fluff. Our mattresses and bedding are obsessively-engineered and precisely-layered to help you get your deepest sleep ever.

We don’t sleep on getting you the best possible deal.

The Comp. Value shown for Casper products is never set it and forget it. Our team conducts thorough market research every quarter to ensure our comparable value is always accurate to the bedding market and the three most comparable products, so you never have to worry about missing out on savings.

A Casper store associate interacts with a person by a mattress.