Dr David Cunnington is a sleep physician practicing exclusively in sleep medicine, managing a broad range of sleep problems including insomnia, snoring and sleep apnea, nightmare disorder and parasomnias. David has a particular interest in complex sleep problems and their interaction with physical and mental health. He trained in sleep medicine both in Australia and Harvard Medical School in the United States. In addition to his clinical work, David has developed the online sleep resource, SleepHub.com.au to provide evidence-based information in sleep for the public and health professionals.