We are grateful to Dr Judith Davidson and her team from Canada for their focus on this highly prevalent condition and for highlighting the effectiveness of cognitive behavioural therapy (CBT) for insomnia within primary care.1 Indeed, CBT is the treatment of choice according to clinical guidelines. A significant challenge however is how to deliver effective treatment at scale. Certainly within the NHS, where some 12 million prescriptions for sleeping pills are still written annually, it is difficult to …