Finding the best mattress can be time consuming and expensive. Fortunately, QVC is having an MLK sale.

For a limited time, QVC is offering the Serta Perfect Sleeper Mattress (Twin) for $699, one of the best mattress sales on QVC; first-time QVC customers can get an additional $10 off with coupon code "OFFER" (other mattress sizes are also on sale from $749 (Other mattress sizes on sale starting at $749).

The Perfect Sleeper is one of Serta's signature mattresses. This hospitality-inspired mattress is the same as those used in luxury hotels, featuring a 3-inch gel foam layer, a 3-inch polyfoam layer, and 6-inch spring coils. The Serta Perfect Sleeper also features HeiQ V-Block technology, which kills 99.9% of germs, viruses, and bacteria.

The deal includes white glove delivery. Likewise, old mattresses can be removed and disposed of (if that option is selected).