The consultation will consist of a comprehensive homeopathic case history, the conduction of relevant physical exams, including vital signs, and the completion of the Insomnia Severity Index (ISI). The participant's case will be analysed and computer repertorised, using the Complete Repertory of Mercurius homeopathic software (Aeon Group), version 5.3.0.17. The individualised homeopathic remedy will be selected by the researcher who will refer to the appropriate Materia Medica. The Homeopathic Dispenser will dispense the homeopathic remedy to the participant.