Is your mattress sagging? Do you feel a “hump” in the centre when you roll on your bed? Before spending thousands on a new mattress, the problem might not be what you think. In this video, Karl, aka The Mattress Guy, reveals why bed base/ bed frame problems are often mistaken for mattress issues and how to easily identify if your bed base is the real culprit. After years of making mattresses, Karl’s discovered that sagging mattresses are frequently caused by poor bed slat support underneath.He shares a real customer story from Maroubra, NSW who thought she needed a new mattress when flexible slats were actually creating the sagging and annoying “hump” in the middle of her bed.