Best twin mattress sales by store. Avocado: Get up to 15% off organic mattresses; Awara: Get up to 50% off mattresses; Bear: Get 35% off sitewide with promo code JULY4; ...

Twin XL mattresses are found inside almost every college dorm room, but there’s a lot more to this mattress size than that. While the best twin XL mattress provides ample room for growing kids ...

The twin mattress is the only size that sees the generous 40% off, with a queen reduced by 28%, making it $499 (was $699). Benefits: Free shipping | 10-year warranty | 100-night trial.