Did you know that the mattress industry uses special machines to test how well a mattress supports your back over many years? They want to make sure your mattress won't sag too much, which can lead to back pain! A good mattress helps you sleep better and feel better. If you're waking up with a sore back in the University District, it might be time for a new one. And remember, a healthy spine starts with good sleep and regular checkups! Star Dental Institute. Book now for a healthy smile.