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by tetris11 826 days ago
When I was 28 at my peak fitness days, I opted for a firm mattress believing it would strengthen me as I got used to it.

I never got used it. The slightest sound from outside would wake me. Sleeping on the side was a daily chore. I learned to sleep on my back and snore like a lion.

Switched recently a soft mattress with shoulder support. Sleep on my side like a baby.