Sleep masters beds kollenade retail park

I purchased a bed in October 2024 . At first it looked ok but after 2 months is started with issues . It's like making 2 didges on both sides. I lodge a complaint in January 2025 . I phoned the sleep masters call centre twice already but no joy from the call centre assistants. I will never recommend sleep masters to any one. They are eager to do a deal but after sales in non existing