Mattress buying guides
By The Mattress Review Editorial Team · Published September 20, 2026
These guides answer the questions shoppers ask before they choose a mattress. Each one explains the decision, shows the numbers behind it and links the sources we used.
Buying guidesBest Time to Buy a Mattress: Memorial Day to Black Friday SalesSave 15-30% buying mattresses on Memorial Day, Labor Day or Black Friday. Guide to holiday sales, comparing trials, warranties and when to skip waiting.Buying guidesHow to Choose a Mattress for Spinal Alignment by Sleep PositionLearn how your sleep position determines the best mattress firmness for spinal alignment, beyond cooling gels, plus hybrid and foam options with trials.Buying guidesMattress Firmness Scale Guide: Weight, Position and Brand DifferencesDiscover why mattress firmness ratings differ between brands and how to match them to your body weight and preferred sleep position for better rest.Buying guidesMattress Size Chart: Dimensions for Every SizeUse this mattress size chart to compare exact queen vs king dimensions, California king, split king, full sizes, room needs and brand price differences.Buying guidesMemory Foam vs Hybrid Mattress: Test Data on Feel Cooling and DurabilityCompare memory foam vs hybrid mattresses with verified test data on construction cooling motion isolation durability and prices from multiple sources.