Inside the Factory: Mattresses Technology Documentary hosted by Cherry Healey and Ruth Goodman and Gregg Wallace, published by BBC in 2019 English narration Information Inside the Factory: Mattresses Gregg Wallace is in Leeds at an enormous mattress factory that produces 600 bouncy beds every day. Meanwhile, Cherry Healey learns whether there are benefits to be had from taking an afternoon nap. Meanwhile, Cherry Healey is learning whether there are benefits to be had from taking an afternoon nap. She meets up with a sleep scientist who tells her that we should be making time for a snooze rather than reaching for a cup of coffee. Historian Ruth Goodman is investigating the origins of the modern mattress. She lies down on a straw stuffed sack which the lower classes would have slept on in the middle ages and learns how steel transformed our bedtime habits,