Intelliheat overblanket by Dreamland offers the ultimate in luxury, perfect for cuddling up on the sofa swaddled in the soft strokeable fabric. Machine washable and tumble dryer safe, to keep it clean and fresh. Intelliheat + Technology. Cleverly responds to temperature changes while you sleep and relax. Fast 5 minute heat up and only costing from as little as 1p per night to run.