39" x 75"
Twin mattresses can accommodate one child or one adult sleeper
although the length of the mattress might be too short for an
adult. Twin size mattresses are used for children's rooms, bunk
beds, daybeds and smaller spaces such as guest bedrooms.
54" x 75"
Full or double mattresses provide more width for your sleeping
area. A full size mattress is ideal for one person. If you divided the
mattress in half two people would only have 27 inches of sleep
space (or the equivalent of a crib mattress).
60" x 80"
If you prefer more living space in your master bedroom, a queen
size might be what you are looking for. Also, queen mattresses are
ideal for someone who likes additional width and height while
sleeping; which makes it a great choice for growing children and
76" x 80"
If you have the space in your bedroom, a king size mattress is the
best choice for couples; you each have a sleeping service
equivalent to a twin extra long mattress. It is also great for
growing families or pet owners.