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

With 5+ years of mattress testing experience, we use our different sleeping position and body type perspectives to offer well-rounded, honest reviews.

From smallest to largest, they are: Twin size mattress Twin XL size mattress ... common mattress sizes Mattress makers sometimes offer beds in the following sizes, but they are much less common.

Learn more Looking for a twin-size mattress to furnish your dorm or kid's room? You have many great options to choose from, some of which are even on sale, making them even more attractive.