So it is important to choose a mattress that will help you get the best night’s sleep possible. Mattress size will be a major factor in your decision, and there are several things to consider while you browse for the ideal sized mattress for your bedroom—room size, the amount of sleeping space you require, and a person’s height to name a few.
Twin / Twin XL
Also known as a "single" mattress. Great in children's rooms and smaller bedrooms. A narrow bed that is easy to move and fits almost anywhere. Approx. width per person: 39"
Sometimes referred to as an "Eastern King" and offers the same width per person as a twin. A king mattress uses two twin extra long sized box springs. Approx. width per person: 39"
Also known as a "Western King" mattress. This may be the preferred choice of taller adults and adds a foot in width and four inches in length to the standard queen. Approx. width per person: 36"