They are the same length as queen and king size mattresses. Many college dorms will use twin XL beds; they are also popular options for couples who want to create a split-king size bed.

These beds are also great for anyone who shares a ... but most sleepers can't feel or notice any gap. This is due to the twin XL mattresses being pushed very closely together, so there's little ...

Casper's adjustable beds are already 10% off, but you'll unlock bigger savings when you add the best Casper mattress for your ...

If a twin-size mattress doesn't cut it, be sure to check out our roundup of the best mattress sales to find picks of every size and type on sale. You can also learn more about the best bed for you ...