Japanese style futons – If you are small and round, you need a harder mattress than if you are tall and slim. The relationship between height and speed is crucial for the type of mattress you should have. This means that in some cases you may have to buy two very different makes of beds to find exactly the models that suit the individual. A main rule is that the spine must be perfectly parallel to the bedside when lying on the side.
You should not be able to carry a hand under the lower back – the buttocks should sink, while japanese style futons and top mattress should bulge up in the lower back so that it does not hang and hover over the mattress. Keeping your lower back up and down doesn’t require muscle power, and you won’t really relax. The back must not bow up or down when lying on the side, but be completely straight.
Get them to carry a hand under the lower back – and it should not be easily accessible under the lower back; it must have little resistance. The surface must be completely up and touching the lower back so that there is contact between the lower back and the japanese style futons.
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