The weekend is fast approaching, but you don't have to wait for the weekend to get in on the Memorial Day mattress sale. Retailers are already offering their best sales on mattresses as low as $799.

Currently, Serta is offering up to $400 off iComfort mattresses and up to $600 off Serta Motion Perfect Base. Combined, they offer discounts of up to $1,000 off select items. For example, the iComfort Mattress (Queen) is only $799. That's a $200 discount, making it the best deal of the year on a Serta mattress. And if you purchase the Serta Motion Perfect Adjustable Base (queen) for $1,399, you get an additional $300 off, for a total savings of $500 (by the way, Serta was only $200 off during Presidents' Day).

If you want the best mattress in the Serta lineup, you can't go wrong with the iComfort line. iComfort is designed to keep the warmest sleepers cool while providing good back support. The base model (iComfort Limited Edition) features a cold touch cover with cooling gel and cooling foam. The cooling foam conforms to the body to provide maximum support. Meanwhile, the gel promotes breathability and keeps you cool at night.

Like all Serta mattresses, it comes with a 120-day trial period and a 10-year warranty, and when paired with the Serta Motion Perfect Adjustable Base, you can maximize your savings.

The Serta sale ends June 7. Be sure to check out the Memorial Day sale deals for non-mattress deals.