I find this very difficult. Every time I buy a mattress I buy one that I think i...

kube-system on Oct 18, 2020 | parent | context | favorite | on: Ask HN: What did you purchase that measurably impr...

I find this very difficult. Every time I buy a mattress I buy one that I think is perfect, I sleep great on it, and then 10 months later I can't seem to sleep on it without back pain.