Get ready: here are the best Labor Day mattress deals As retailers begin their Labor Day sales, we're seeing a significant uptick in cheap mattress deals. Among them, the Beautyrest sale is not to be missed.

For a limited time, Beautyrest is taking up to $300 off all mattresses. This sale includes the Black, Harmony Lux Diamond, Harmony Lux Carbon, and Hybrid mattresses. The cheapest mattress after the discount is the Harmony Lux Carbon Series (twin) at $849, $100 off.

The least expensive mattress in Beautyrest's sale happens to be the Beautyrest Harmony Lux Carbon Series, starting at $849 for a twin mattress. This mattress features Beautyrest's RightTemp Wave Foam, which keeps you cool and comfortable all night long. It also features Beautyrest's Gel Memory Foam, which relieves pressure and provides a comfortable sleep.

At the top of Beautyrest's mattress line is the Beautyrest Black, which starts at $1,499 after discounts. This line uses heat-dissipating materials to provide the coolest sleep possible. It is also designed to absorb energy, making it ideal for couples.

All mattress purchases include a 100-night in-home trial. This mattress sale is valid through September 14.

Not sure which mattress is right for you? Check out our guide to the best mattresses of 2020.