Also important in choosing a cheap memory foam mattress is the cover, which can have various properties, it can be removable, treated with Aloe Vera or lavender, with silver ion wire, or hypoallergenic. And don't forget: buying a new mattress is an important purchase. After all, a quality and comfortable mattress help you get a good night's sleep, which in turn will help you function better during the day and avoid many chronic ailments. A good mattress is not cheap, but good health and a good mood are invaluable. You will spend about a third of your time on the purchased mattress, so focus on choosing the best one.