Is it time to get rid of that old, saggy bed and drastically improve your sleep quality with a new mattress? If so, the first thing you have to decide is which size you want. When buying a big ...

The best mattress size for your needs will depend on your room size, if you sleep alone, and more. Our expert-curated mattress size chart and recommendations will help you make the best selection.

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. There’s a lot to think ...