Functional sofa bed size

When choosing,sofabed do not blindly consider the appearance and color of the functional sofa bed, its comfort is also very important, and this is reflected in the size. The size of each part of the sofa should be adapted to the curve of the human physiological structure, in accordance with the principles of ergonomics, sofabed so that no matter it is sitting or lying, it will be more comfortable.

The height of the seat surface of the functional sofa bed is preferably between 35-42 cm,sofabed which is approximately equal to the height of the human calf. Too high or too low size is not conducive to the relaxation of human muscles,sofabed prolonged use can easily cause body aches. The seat depth is more suitable between 48-55 cm, that is to say, sofabed when the back is as close as possible to the back of the sofa, the person's knee should still be outside the seat surface. From the ground up, the height of the backrest of the sofa bed should be kept between 68-72 cm, sofabed within this range, the human body's comfort is the strongest. In addition, sofabed the inclination of the backrest is preferably between 100-108 degrees, and the height of the armrest is preferably between 62-65 cm.