Each person has different preferences when it comes to the level of comfort. When you rest on the mattress you need enough support, your spine should be in a neutral position and pressure points should be cushioned properly as the body weight is distributed right. If you get these three things at once, your body will relax fully and you will get sound sleep.
The best mattress will give you such support always. Your sleep position and body type will determine the firmness of your mattress. On the firmness scale, a medium-firm mattress comes on number 5. It is not too much soft so you will get back pain and not much hard so you will not get a comfortable sleep. It offers the perfect balance to your body.
The firmness of the mattress ranks usually on a 1 to 10 scale. 10 is the firmest one and 1 is the softer one. A medium firmness means it is comfortable enough. This type of beds is very soft if you touch it, it may respond quickly and there is no excessive sinking with it. It offers more stable cushioning to the users.
The type of mattress you choose will determine the firmness also. You can select the memory foam medium-firm mattresses and it offers a different level of comfort. It can accommodate easily your different requirements of support. If you chose the latex mattresses, you will get a firmer feel and medium-firm level of comfort. Hybrid ones feature latex foam or memory foam top layer. The firmness of the hybrid medium mattress will depend especially on the spring coils that are designed in its base. You can choose the innerspring ones also to get the medium firmness. These beds have a thin layer of comfort and also a thick base of the spring coil.