Does mattress have abnormal sound? Is it a quality problem?
Mattress has abnormal sound, on the one hand and material related, on the other hand, with the bedstead. You can see the latex mattress, no vibration, mute.
To try the pad, the easiest way is to choose a mattress lying on the first try, supine, best is to feel the waist back against the mattress can fully support, let the mattress, consciously comfortable and solid; if the mattress is too hard, playing the strong difference, lying on it, not the waist with a mattress, forming a space, can make a flat palm by brown like mattress provide considerate support to the back can not, can not fully relax back. There is also a case of supine, whole body fall, low back bend, indicating that the mattress is too soft, lack of due support and support force, will make the sleeper after waking backache. 5, to understand the business of the mattress surface, materials, prices, maintenance or use of matters needing attention.
Rusty and inferior springs often produce crunch and crunch noises under pressure, which means the mattress is bad. Pay attention to the purchase of mattresses: 1, observe, see if the shape of the mattress is intact, the appearance is beautiful and generous. 2, smell the smell, smell the mattress, there is no smell or you do not like the smell. 3, patting the mattress, feel it is too hard or too soft, resilient? Then hand pressure, to see if the powerful hand tight, try to see how the surface layer material, by hand touch feeling; the mattress, is dry or moist, the surface is smooth, there is no rough sense; finally in the four corners around the mattress, gently press to see whether these corners have certain elasticity, hard pressed to listen: good elasticity in beating qualified spring, spring song and even slightly inferior in spring; rust, extrusion often issued a "creak, creak" noise.
