How to sleep on the mattress for low back pain?

The mattress must be inappropriate, either too soft or too hard. The mattress is too soft and hard, which of course has a bad influence on the physiological curvature of the lumbar spine when sleeping. Whether the mattress is too hard or too soft needs to be judged by yourself. Don't blindly say that sleeping on a hard bed is good for your waist. It is wrong to be too soft or too hard. Only what suits you is right. You can try several mattresses. Isn't latex mattress popular now? In short, choose the one that suits you best and suits your waist best. Others sleep too soft, you may sleep just right, others sleep too hard, you may sleep just right, and what suits you is the best.