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.

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

Twin beds are also known as single beds. Twin mattresses are typically 39 inches wide and 75 inches long (or 80 inches long ...

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 ...