Judith R. Davidson, PhD, CPsych, is a scientist–clinician in the field of insomnia treatment. She is an associate professor of Psychology and Oncology at Queen’s University, Kingston, Canada. She practices clinical psychology within a primary healthcare team. With over 30 years of research and clinical experience in the area of sleep, she is committed to making effective treatments accessible to people with insomnia. Dr. Davidson has received the designation Somnologist, Expert in Behavioural Sleep Medicine from the European Sleep Research Society. She lives in Kingston, Ontario, with her husband and two cats, all of whom are excellent sleepers.