Best online mattress with good warranty and actual real customer service?

I want to buy a new mattress and considering how different companies handle warranty claims and customer support after the sale, I would like to know which brand/s have really really good after sales service. We never really know what could happen so I would prefer if customer service is guaranteed. Things like response times, return policies, how easy it is to reach a real person (not auto replies and definitely not AI agents), etc

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u/Empty_Historian_2570 — 10 days ago