Most people don’t really think about mattress firmness until sleep starts feeling off. You might notice it when you wake up with aches, keep switching positions at night, or never really feel rested in the morning. That’s usually when the confusion starts. Should your mattress be firm, medium, or plush? And how do you even tell what your body actually needs?

If you’re trying to find the best mattress for couples, the short answer is this: there isn’t one single type that works for everyone. It really comes down to how you both sleep. That’s where most couples get stuck.

Sleeping on your side should feel comfortable, but it can put pressure on your shoulders and hips if your mattress isn't supportive enough. Over time, that pressure can turn into soreness, restless nights, and poor sleep. Finding the best mattresses for side sleepers can help ease that discomfort by providing the right mix of cushioning and support where you need it most.