
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.

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...

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...
What is a Split King Bed?
A split king bed is made up of two twin XL mattresses placed side by side. Each twin XL mattress measures 38 by 80 inches, so when combined, they equal the size of a king mattress, which is 76 by 8...
Can a Full Size Mattress Fit a Queen Headboard?
A full size mattress is a space-saving and comfortable bed size option for couples and individuals looking to maximize floor space in a smaller bedroom. But before you commit to a new full size mat...
Pillow Sizes: A Guide for Every Type of Bed
Getting that well-deserved beauty sleep is hard enough, but now you’re left figuring out what size pillows you need to complete your new sleep setup. Our guide to pillow sizes will help you choose ...

What Size Bed Does Two Twins Make?
If you’re in the process of redecorating your master bedroom, a new bed might be the first thing on your mind. But if you’re sharing a room with a partner that has distinctly different preferences ...
What is the Difference Between a Twin and Twin XL Mattress?
Updated 9/25/2025 A twin mattress measures 38" wide by 75" long, while a twin XL mattress is the same width (38") but 5 inches longer at 80". Picking the perfect mattress for your room can be a ...
Bunk Bed Mattress Sizes: What Size Is A Bunk Bed Mattress?
Bunk bed mattresses can come in a variety of sizes, but twin and twin XL are most common. Twin mattresses are 38” x 75”, while twin XL mattresses are 38” x 80”. Bunk beds are the perfect solution ...