DR. GUY LESCHZINER is a consultant neurologist and sleep physician, and clinical lead for one of the largest sleep services in Europe, based at Guy’s Hospital in Central London. He sees patients with a range of sleep disorders, including narcolepsy, restless legs syndrome, sleep apnoea, and nocturnal epilepsy and is actively involved in research and teaching. He has also presented on the radio and have worked in television, all related to sleep.