1, there are many bacteria: the sofa has more chances to contact bacteria than the bed, and the mite pollution on the sofa cushion is very serious. When people lie down, their mouths and noses are in close contact with bacteria, which is easy to cause allergic diseases or skin diseases.
2, too soft: the sofa is too soft, people lying on it will bend the spine, making people feel backache. In the long run, it will cause lumbar muscle strain and even affect lumbar health.