19:00Mark Forrest24 hour shopping, Lord Winston talks fertility and Mark does yoga in the studioBBC Local Radio Duration: 3 hours Tue 21st Jun 2016, 19:00 on BBC Radio SheffieldMore 24 hour supermarkets are to shut overnight, Lord Winston joins us to talk about fertility and Mark dons his lycra and does a downward dog for International Yoga Day.GenresEntertainmentBrandMark Forrest Source: BBC Online