The best bed for all backs I think is the bedrock mattress - the hard ones. I mean, think about it, for hundreds of thousands of years, we've slept prety much on hard flat surfaces with little cushioning. While sleeping, our backs need to be supported, not slouched. I find that increasing occurrence of back pain is correlated with modern day amenities.

Softer couches, softer chairs, cushy pillows and beds- they're all the culprits.

Hard beds take getting used to but once you're used to them, oh goodness they're heaven!

Try them!

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