Sleep Number is taking up to $2,500 off its mattresses as part of its Labor Day Sale. Plus, all of them will be delivered to you for free. Some of the mattress deals include a 10% off discount on the ComfortMode and ComfortMode Lux beds, 15% off ComfortNext, ComfortNext Lux, and ComfortNext Ultra beds, and 25% off ClimateCool and Climate360 smart beds. Base deals include 10% off Adjustable Base, FlexFit 2, and FlexFit 3 models. The sale also has 30% off furniture, 50% off DualTemp layers, and a buy one, get one 50% promo on pillows and sheets. The sale runs until September 14. Shop Now at Sleep Number