My back got better once I switched to a firm mattress.

How to say “My back got better once I switched to a firm mattress.” in Japanese

In Japanese

硬(かた)めのマットレスに替(か)えてから、腰(こし)がだいぶ楽(らく)になった。

Katame no mattoresu ni kaete kara, koshi ga daibu raku ni natta.

My back got better once I switched to a firm mattress. in other languages