Get a better night's sleep with these Serta mattresses on sale
*TL;DR:* As of June 30, you can experience cooler sleep and take up to $400 off a Serta mattress at Lowe's. (Click on a mattress to see its home delivery options.)
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The summer heat has arrived. Yes, the weather — but also the savings. Lowe's is dealing with both by offering a ton of Serta...