Maddie's Do You Know?: Sleep and Sofa

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Maddie is relaxing at home. She finds out what happens to our bodies when we go to sleep at night. Using a special sleep monitor, Maddie shows us that our bodies do not simply switch off but are in fact doing lots of important things while we sleep. She discovers how our breathing and heart rate slow down and how sometimes our eyes flicker. Next she visits a factory where sofas are made.