TLDR: Went to IKEA, three hours from home, and forgot to get slats for the bed. Hardware store was a half hour away, and I needed to sleep that night. : r/IKEA
Amazon.com: Molblly Queen Bed Frame Upholstered Platform with Headboard and Strong Wooden Slats,Non-Slip and Noise-Free,No Box Spring Needed, Easy Assembly,Light Gray : Home & Kitchen
ESPEVÄR Slatted mattress base with legs, dark gray, King - IKEA
ESPEVÄR Slatted mattress base for bed frame, dark gray, Queen - IKEA
HEMNES Daybed frame with 3 drawers, black-brown, Twin - IKEA
MALM Storage bed, white, Queen - IKEA
IKEA rolled packed spring mattresses - YouTube
IKEA Sultan Atna Fabric Covered Box Spring Bed Base with Metal Legs-full size | eBay
HAUGSVÄR Hybrid mattress, medium firm/dark gray, Queen - IKEA
MATRAND Memory foam mattress, firm, white, Full - IKEA