Big Health’s purpose is to help millions back to good mental health, by creating fully automated and highly personalized behavioral programs for mental health. Designed by leading scientific experts, Big Health’s solutions feature cognitive behavioral therapy (CBT) techniques. Big Health’s first product, Sleepio, has been evaluated in 12,000 participants across 33 peer-reviewed papers, including 8 randomized controlled trials, which show beneficial effects on sleep, mental health and daytime functioning. In early 2019, Big Health launched Daylight, a new program that helps individuals address worry and anxiety. With offices in London and San Francisco, Big Health’s products are offered by large multinational employers and major health plans to more than 12 million people across 60+ countries.