U.S. mattress size
The English names and standard sizes of common beds and mattresses in the United States are as follows:
Twin/Single: 38" x 75" (97cm x 191cm)
Twin XL (extended single bed): 38" x 80" (97cm x 204cm)
Full/Double: 54" x 75" (137cm x 191cm)
Queen (large double bed): 60" x 80" (152cm x 203cm)
King: 76" x 80" (193cm x 203cm)
California King: 72" x 84" (183cm x 203cm)
Crib/Toddler (Infant/Children Bed): 28" x 52" (69cm X 132cm)
The size of Crib and Toddler bed is actually the same. Both use crib mattress. The only difference is that the crib (baby bed) is a fence surrounded by all sides, while the fence of the toddler bed (children's bed) has openings, which can be made larger. Children get in and out of bed by themselves.
Twin bed and single bed both mean standard single beds in Chinese. Twin XL is as wide as Twin but has a length of 5 inches longer. It is more suitable for people who are taller or want more positions on the bed. There are many beds in American college dormitories. It is Twin XL size.
A full bed is also called a double bed. It is spacious for one person and narrower for two people, but it is fine.
Queen is the most popular family double bed size. Two people sleep comfortably without taking up too much space. It is also possible to sleep with a family of three children.
King is a very wide double bed size, there is no pressure tossing and turning, there is also a Cal King, the width is between Queen and King, but the length is the largest of all common sizes, 84 inches (213cm), tall sleeping The upper foot will not fall out of the bed.
Of course, there are also Full XL (53" x 80") which is longer than normal Full, Cal Queen (60" x 84") which is longer than normal Queen, and Olympic Queen (66" x 80") which is wider than normal. Etc. may not be so common, but many mattress manufacturers will also accept custom orders.
Is the mattress hard or soft?
Most sleep experts believe that people need to sleep in a place with sufficient support. When a person is lying on a hard mattress, the bones will bear more pressure, and the muscles can be relaxed, so that the blood vessels will not be compressed, and blood circulation will be facilitated. On the other hand, a hard mattress can also effectively prevent the waist from sinking during sleep, which is conducive to smooth breathing. Inhaling more oxygen will also improve the quality of sleep.
However, new research results point out that a mattress that is too hard is not suitable for people who have health problems such as back pain, scoliosis, rheumatism, arthritis, etc. Sleeping on a mattress of medium hardness can actually relieve this kind of body more effectively. Symptoms of discomfort.
In addition, people of different sleeping positions and postures may also have different preferences for the softness and hardness of the mattress. For example, a heavier person may feel more support when sleeping on a hard mattress, but it may not make much difference for a lighter person; a person sleeping on the side sleeps on a softer mattress, The mattress can better fit the curve of the body, and it is more conducive to maintaining the normal alignment of the spine; and people who are used to sleeping on their backs or lying on their stomachs may find a hard mattress more comfortable.