The thing about buying a mattress is that it’s usually not the kind of thing that you are going to end up doing on a regular basis. In fact, you are most likely going to make a single purchase that is going to last a very long time, one that would benefit you in ways that you would not have realized to be possible beforehand. Hence, it becomes quite clear at this point that you need to take this decision very seriously indeed otherwise there is a good chance that you will end up regretting it.
Narrowing down what you are actually looking for when you set out to buy a mattress is very important in this regard. For starters you need to think about the firmness of your mattress. Some people like a firmer mattress, other people like them soft. This is entirely based on your personal preference and pretty much nothing else at all, however we would say that firmer mattresses tend to be better due to the reason that they last a lot longer as well as the fact that they provide a lot more lumbar support than their softer counterparts.
You also need to look into whether you want to buy a foam mattress or a spring mattress. We would definitely consider foam mattresses to be the better option here for reasons related to both durability as well as comfort. However, at the end of the day you are the person that will decide so we would recommend that you think about trying the mattress out before you actually buy it, something that will help you to make sure that the decision you are making here is the right one all in all.