If you're having trouble sleeping at the moment, you're probably not the only one. We're living through something akin to a nightmare, so it's little wonder a good night's sleep might be hard to find. Dr Giresh Kanji has researched the effects of stress and pain on the body, and how it often leads to poor sleep and anxiety. He joins Kathryn to talk about his new book, Brain Connections: Sleep Well & Energise: A No-Pills Approach.