When a person is purchasing foldable bed mattresses online there are certain things that should be noted. It is important to know the right size of the bed on order to purchase a mattress that will fit into it. It is important to spend a little extra time on choosing a bed that you will rest on than any other piece of furniture in a house. This is told for the reason that a bed is the place that acts as a source of comfort and relief for a number of people. When a person gets a good night’s sleep, they are said to be energetic all through the other day. This also refreshes the mind and the body greatly. This makes the selection of mattress an important task that should be taken care of properly. Several vital things should be noted before making a purchase. The main focus should be placed on how comfortable the mattress is. Each person has a different comfort level and they will have different needs when it comes to mattress. Buying a very expensive mattress does not give the guarantee that a person will fell comfortable when sleeping on it. Cost has nothing to do with comfort when it comes to mattress.