Keeping in mind that they are not research-backed and should rather be interpreted as experience-based heuristics at best, we can look at the recommendations made by people who sell mattresses for a living.
People who sell mattresses for a living have bad incentives in getting you to make useful purchasing decisions. For organizations such as consumer reports the incentives are much better aligned. Paying customer reports for their mattress ratings costs money but information is valuable and worth paying for.
People who sell mattresses for a living have bad incentives in getting you to make useful purchasing decisions. For organizations such as consumer reports the incentives are much better aligned. Paying customer reports for their mattress ratings costs money but information is valuable and worth paying for.