PrimeWire

You can now watch the entire Inside the Factory Season 5 Episode 4 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Gregg Wallace visits a mattress factory in Leeds, where he discovers how steel is stretched and coiled into springs and the advantages of natural fibres like hemp and wool. Cherry Healey talks to a sleep scientist about the benefits to reaction time from taking an afternoon nap, and Ruth Goodman tries out a Middle Ages mattress made out of a straw-stuffed sack.