This is a conversation with Dean Burnett. Dr Dean Burnett is a neuroscientist, lecturer, author, blogger, podcaster, science communicator and a comedian. He was previously employed as a psychiatry tutor and lecturer at the Cardiff University Centre for Medical Education. Dean is currently an honorary research associate at Cardiff Psychology School. In this conversation we talk about Evolution of the brain, motion sickness, sleep disorders, Egotistic nature of the brains, attention, personalities, and mental illness.