Simply put it under the middle of the mattress and the problem is solved. I've dropped almost a thousand on a new mattress but I read the reviews and gave it a try. I only needed one because the mattress sags in the middle.
Mattress Blue Sleep Hybrid 2.0, 80x200 cm, spring
46 Review
Mattress Blue Sleep Hybrid 2.0, 160x200 cm, spring
40 Review
Sorbus Five-Drawer Dresser - Furniture Storage Tower For Bedroom, Hallway, Closet, And Office - Steel Frame With Wood Top And Easy-Pull Fabric Bins In Marble White With Black Finish
41 Review
Sorbus Diamond Weave Room Divider: Extra Wide 6Ft. Tall Privacy Screen - 8 Panel Espresso Brown Foldable Partition Wall With Double Hinges
42 Review
43 Inches Folding Storage Ottoman Bench - 120L Large Capacity, Wooden Divider & Faux Leather (Black)
40 Review
Modern Cognac Brown Faux Leather Accent Chair With Wooden Frame By Pulaski, 25.38" X 28.0" X 30.5
38 Review
COSYLAND Storage Ottoman - 17x13x13in Leather Rectangle Foot Rest Foot Stool - Folding Ottoman for Room Dorm - Small Collapsible Bench Seat Organizer - Entryway Furniture with Handles Lid - White
46 Review
JUMMICO Futon Sofa Bed Faux Leather Couch Bed Modern Convertible Folding Recliner With 2 Cup Holders For Living Room (Black)
45 Review