
You'll spend around a third of your life on a mattress; far more than you'll probably ever spend in your car, for example. Therefore, it's worth considering carefully which type of mattress is going to suit you best. Part of that is making sure you choose the right firmness level.
Everyone's different, though, and what's the best mattress for others might prove either too firm or too soft to you. So, how do you go about picking the right firmness level for your particular needs?