Home & Living Is a 20 year old mattress too old? January 30, 2026 by pups | Leave a Comment Generally, a 20-year-old mattress is considered too old. Mattresses typically last between 7 to 10 years, depending on the material and how well it’s maintained. Over time, mattresses accumulate dust mites, body oils, and allergens, and their support structure degrades, potentially leading to discomfort and health issues. Is a 20-Year-Old Mattress Too Old and Unhygienic? […] Read more »