Sleep walking, night terrors and even sleep murders, the mysteries of the sleeping brain revealed Professor Guy Leschinzer is a world-renowned expert in Neurology and Sleep Medicine at Guy’s Hospital London. He is also the author of books such as, ‘The Nocturnal Brain’, ‘The Man Who Tasted Words’, and most recently, ‘Seven Deadly Sins’.  In this conversation, Guy and Steven discuss topics such as, how sleep can strip belly fat, the one sleep disorder affecting up to 80% of people, the number one fix for insomnia, and the truth about sleep walking and other night time activities. 00:00 Intro 02:06 Dr. Guy's Fascination With Neurological Conditions 04:15 What Is Dr. Guy's Background 06:26 What Is A Sleep Disorder Centre? 08:01 Why Dr. Guy Chose To Study Sleep 09:19 Is Sleep Important? 11:24 Why We Need Sleep For Good Health 12:59 A Large Percent Of The Population Has Insomnia 17:05 What Is Narcolepsy 18:03 What's Causing So Many Sleep Problems? 21:06 What's The Perfect Sleeping Habit? 24:36 Sleep Quantity Variance Per Person 28:27 The Link Between Sleep And Weight Gain 31:44 Circadian Rhythms Explained 36:17 Blue Lights 39:34 The Main Reasons People Are Struggling With Their Sleep 44:35 Sleep Myths 46:15 Chronotypes 47:55 Where To Start Fixing Sleep Problems 51:25 The Rise Of Sleep Trackers 58:28 What Is The Glymphatic System? 01:01:50 The Link Between Sleep Deprivation And Alzheimer's 01:02:54 Medicating To Help Sleep 01:04:38 Side Effects Of Melatonin 01:06:05 Non-Medical Alternatives To Help Sleep 01:14:38 Surgery To Fix Sleeping Issues 01:17:49 What Would Brain Scans Reveal About Sleep Deprivation 01:19:40 Sleep Deprivation Affects Your Mood 01:21:11 Can Parts Of Our Brain Be Asleep? 01:22:47 Dreaming 01:25:08 Nightmares Explained 01:25:54 Why Do We Remember Some Dreams And Not Others? 01:28:12 Most Upsetting Sleep Disorder Dr. Guy Has Seen 01:31:42 The Sleepwalking Murderer 01:33:51 There Is Help For Insomnia 01:35:18 The Different Types Of Insomnia 01:36:42 The Man Who Tasted Words 01:39:33 Autism And Synesthesia 01:42:22 Are We Guilty Of Crimes If We Are Mentally Ill? 01:45:01 Interventions To Help The Criminally Mentally Ill 01:46:40 Crazy Stories Resulting From A Brain Disorder 01:52:47 How Meeting People With Brain Disorders Has Changed Dr. Guy 01:54:22 Guest's Last Question   You can purchase Guy’s books, here: ‘Seven Deadly Sins’ - https://g2ul0.app.link/aoUzRBkJNKb  ‘The Nocturnal Brain’ - https://g2ul0.app.link/iLrSJxzKNKb ‘The Secret World of Sleep’ - https://g2ul0.app.link/W8nPXVCKNKb  Follow Guy: Instagram - https://g2ul0.app.link/CCqOwVnJNKb  Twitter - https://g2ul0.app.link/YC1itGqJNKb  You can learn more about the study on light exposure patterns, here: https://g2ul0.app.link/2SQaT1KKNKb  Watch the episodes on Youtube - https://g2ul0.app.link/DOACEpisodes  My new book! 'The 33 Laws Of Business & Life' is out now - https://g2ul0.app.link/DOACBook  Follow me: https://g2ul0.app.link/gnGqL4IsKKb  Sponsors: NordVPN: https://nordvpn.com/doac - give you 4 extra months on the 2-year plan. There's no risk with Nord’s 30 day money-back guarantee!' Colgate - https://www.colgate.com/en-gb/colgate-total Learn more about your ad choices. Visit podcastchoices.com/adchoices