Currently, Serta is taking up to $800 off its iComfort mattresses and adjustable bases (opens in new tab). After discount, you can get the Serta iComfort Mattress (twin) for $1,099 or the queen for $1,499. That’s one of the best mattress sales we’ve seen all year from Serta. If you want the best mattress in Serta’s line up, you can’t go wrong with the iComfort line. It’s designed to keep the warmest sleepers cool while simultaneously offering plenty of back support. The base model (iComfort Limited Edition) features a Cold Touch Cover accompanied by cooling gel and cooling foam. The cooling foam contours around your body to offer maximum support. Meanwhile, the gel helps promote airflow and keeps you cool at night. If you’re a hot sleeper, the Serta Arctic is designed to keep you cool at night. It does this through various levels of cooling materials and technologies to provide all-night relief from hot sleeping. Most of the work is carried out by the Reactex System, made up of three separate layers of cooling tech. Each layer gets more powerful in terms of cooling capacity, pulling heat from your body, even in hot weather. It’s an expensive hybrid and memory foam mattress, but if you’re constantly overheating in your sleep, it’s worth trying out. Both beds comes with a 120-night trial. Serta also offers free White Glove Delivery to your bedroom and will set up your new mattress and remove your old one.