Innerspring, memory foam, hybrid and adjustable mattresses. Most online brands give a sleep trial of 100 nights or more, so read the return terms before you buy. Claims like "organic," "non-toxic" and "Made in USA" must be backed up under FTC rules. Check CPSC recalls, and when it's time to replace a mattress, Bye Bye Mattress lists recycling drop-offs in California, Connecticut and Rhode Island. Brands and stores below are commercial.
Each site has quick lookups: who owns it (whois), its history (Wayback Machine), a safety check, and one-tap questions to AI helpers. Grok asks you to tap Send first. Links last checked Oct 15, 2026.