GoKawiilAmazon's Prime Big Deal Days discounts mattresses, sheets and sleep tech
Amazon's Prime Big Deal Days sale includes markdowns on mattresses, bedding and sleep gadgets such as sound machines, with discounts reportedly running up to $600 off. WIRED editors highlighted tested picks from brands including Helix, Nolah, Bbhugme, Slumber Cloud, Blueair, Turtl and Snooz, noting the sale window closes the same night.