Some people may prefer one that is soft, while others may prefer one that is more firm.At one time or another, most people will have had to endure a bad mattress. It may be that you've always slept on firmer mattresses, and have never tried a softer one, or vice versa. While the body may find itself straining to stay in a comfortable position on a mattress you find less than pleasant, memory foam will allow your neck and shoulders to relax - drastically reducing the chance of waking with aches or pains. It may even come as a surprise that there are so many different grades.A memory foam mattress may make a massive difference to how you sleep, but it can also help beat the aches and pains that can come with having to cope with a less comfortable mattress. The trick is in searching around, trying to find the right one. Whether it's one that they've had for years, or it's at a friend's home or maybe even in a hotel, sleeping on an uncomfortable mattress can not only rob you of decent sleep, but it can also cause aches and pains that stay with you all day. Whereas many may be used to having to find the right position to lie on a standard mattress, a memory foam mattress will mould to the body's contours, meaning that it finds a way to accommodate you, rather than vice versa.If, however, these different types have already been tried, then it may be an idea to try something different, such as a memory foam mattress or topper. As with most things in life, everyone may have a different Polymethacrylimide Foam Manufacturer taste when it comes to mattresses.