Local stores near St. Louis aren't the only way to shop! You can also find name brands from online retailers and get them shipped right to your door!
The position in which you sleep can play a role in your choice of mattress:
Weight and body shape are a major thing you should consider in your choice. Your experience with a mattress may be completely different than someone who weighs significantly more or less than you. In general, heavier sleepers will need more support from a mattress to be comfortable, than a lighter sleeper.
The most common mattress types include: